diff --git a/Klausuren/Sd1/2023summer/Exam/Readme.md b/Klausuren/Sd1/2023summer/Exam/Readme.md
new file mode 100644
index 0000000000000000000000000000000000000000..117f68a50982b7bac1d18665ab27fe313eeb5b99
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/Readme.md
@@ -0,0 +1,55 @@
+# Generate ond open class/method javadoc for browsing
+
+Grab a terminal in this IDE (By lower left icon or Alt+F12) and issue the following command:
+
+<pre>Exam> mvn javadoc:javadoc
+...
+[<span style="color:blue;font-weight:bold;">INFO</span>] Executing tasks
+[<span style="color:orange;font-weight:bold;">WARNING</span>] [echo] Javadoc root at <span style="color:blue;">file:///home/.../Downloads/Exam/target/site/apidocs/index.html</span>
+[<span style="color:blue;font-weight:bold;">INFO</span>] Executed tasks
+...</pre>
+
+Click the <span style="color:blue;">file:///.../index.html</span> link opening your project's `index.html` Javadoc root
+in your system's default web browser.
+
+# Implementation tasks
+
+Your project's following packages do contain implementation tasks:
+
+- `de.hdm_stuttgart.mi.sd1.task1` (50 Points)
+
+- `de.hdm_stuttgart.mi.sd1.task2` (20 points, more difficult)
+
+Read the generated documentation and implement the skeleton methods and classes.
+
+Your project's `test` branch does contain corresponding unit tests for verifying your solutions' correctness.
+
+# Hints
+
+- Your score solely depends on the number of successfully executing unit tests. A »nearly correct« implementation failing
+with respect to a given unit tests will not contribute any points at all.
+
+- General advice: Implement less but correctly.
+
+- Mind special cases i.e. `null` variable values or null values being contained in arrays.
+
+- In case of test failures both the IDEA debugger and logging statements are your friend.
+
+Executing `de.hdm_stuttgart.mi.sd1.ShowReachedPoints` in your project's test branch as a Java application
+(not as Junit test!) shows your number of points reached so far.
+
+Do not model your implementations along unit test definitions i.e. avoid cheating this way! Such behaviour will be
+regarded as an attempt at deception (Täuschungsversuch).
+
+# Exam system upload
+
+After finishing implementing:
+
+1. Export this project by hitting **»File ➔ Export ➔ Project to Zip File«**.
+1. Use a self-explanatory file name like e.g. `solution1.zip`.
+1. Go to your exam browser window and upload `solution1.zip` .
+1. Complete by **clicking the »<span style="background: #527A35;color:white;">Speichern + weiter ➞ </span>«** button.
+1. Hit **<span style="background: #446684;color:white;"> 🠬 Speichern + zurück</span>** and check if your
+ upload is visible.
+1. If you advance on implementing: Repeat steps 1. to 5.: Only the least uploaded `.zip` archive will become subject to
+ marking.
diff --git a/Klausuren/Sd1/2023summer/Exam/pom.xml b/Klausuren/Sd1/2023summer/Exam/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..626795694e758e36f7dc97459833ba00ee8b6422
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/pom.xml
@@ -0,0 +1,133 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <groupId>de.hdm_stuttgart.mi.sd1</groupId>
+ <artifactId>sd1_2023summer_exam</artifactId>
+ <version>0.9</version>
+ <packaging>jar</packaging>
+
+ <name>sd1_2023summer_exam</name>
+
+ <url>https://freedocs.mi.hdm-stuttgart.de/sd1_sect_mavenCli.html</url>
+
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+ <maven.compiler.release>17</maven.compiler.release>
+
+ <freedocs.url>https://freedocs.mi.hdm-stuttgart.de</freedocs.url>
+ <jdk.api_17.url>${freedocs.url}/doc/openjdk-17-doc/api/</jdk.api_17.url>
+ <mathjax.url>${freedocs.url}/lib/MathJax/es5/tex-chtml.js</mathjax.url>
+ <libhighlight.url>${freedocs.url}/lib/highlight.js</libhighlight.url>
+ </properties>
+
+ <repositories>
+ <repository>
+ <id>hdm-mi-internal-maven-repo</id>
+ <url>https://maven.mi.hdm-stuttgart.de/nexus/repository/mi-maven</url>
+ </repository>
+ </repositories>
+
+ <dependencies>
+ <dependency>
+ <groupId>de.hdm_stuttgart.mi.exam</groupId>
+ <artifactId>unitmarking</artifactId>
+ <version>1.2</version>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>3.11.0</version>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-antrun-plugin</artifactId>
+ <version>3.1.0</version>
+ <executions>
+ <execution>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>run</goal>
+ </goals>
+ <configuration>
+ <target>
+ <echo>Javadoc root at file://${project.basedir}/target/site/apidocs/index.html</echo>
+ </target>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-javadoc-plugin</artifactId>
+ <version>3.5.0</version>
+ <configuration>
+ <release>17</release>
+ <doclint>all</doclint>
+ <show>public</show>
+ <docfilessubdirs>true</docfilessubdirs>
+ <addStylesheets>
+ <stylesheet>resources/jdocSupplement.css</stylesheet>
+ </addStylesheets>
+
+ <windowtitle>Exam documentation</windowtitle>
+
+ <links>
+ <link>${freedocs.url}/doc/openjdk-17-doc/api/</link>
+ </links>
+
+ <additionalOptions>
+ <additionalOption>-html5 --allow-script-in-comments</additionalOption>
+ </additionalOptions>
+ <nohelp>true</nohelp>
+
+ <header><![CDATA[
+ <script type="text/javascript" src="${mathjax.url}"></script>
+ <script type="text/javascript" src="{@docRoot}/resources/jdocSupplement.js"></script>
+
+ <link rel="stylesheet" href="${libhighlight.url}/styles/idea.min.css">
+ <script src="${libhighlight.url}/highlight.min.js"></script>
+ <script type="text/javascript">hljs.highlightAll();</script>]]>
+ </header>
+ <bottom><![CDATA[Copyright © 2023 Stuttgart Media University / MI. Licensed under
+ <a style="font-weight:bold;" href="https://creativecommons.org/licenses/by/4.0/legalcode" target="_blank"
+ >Creative Commons Attribution 4.0 International Public License</a>.]]></bottom>
+ </configuration>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-assembly-plugin</artifactId>
+ <version>3.6.0</version>
+ <configuration>
+ <descriptors>
+ <descriptor>src/main/assembly/assembly.xml</descriptor>
+ </descriptors>
+ </configuration>
+ <executions>
+ <execution>
+ <id>make-assembly</id>
+ <phase>package</phase>
+ <goals>
+ <goal>single</goal>
+ </goals>
+ <configuration>
+ <archive>
+ <manifest>
+ <mainClass>de.hdm_stuttgart.mi.sd1.ShowReachedPoints</mainClass>
+ </manifest>
+ </archive>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+</project>
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/assembly/assembly.xml b/Klausuren/Sd1/2023summer/Exam/src/main/assembly/assembly.xml
new file mode 100644
index 0000000000000000000000000000000000000000..85268e2965620878373d76337f524d8785fd0e1f
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/assembly/assembly.xml
@@ -0,0 +1,36 @@
+<assembly
+ xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3 http://maven.apache.org/xsd/assembly-1.1.3.xsd">
+ <id>fat-tests</id>
+ <formats>
+ <format>jar</format>
+ </formats>
+ <includeBaseDirectory>false</includeBaseDirectory>
+ <dependencySets>
+ <dependencySet>
+ <outputDirectory/>
+ <useProjectArtifact>true</useProjectArtifact>
+ <unpack>true</unpack>
+ <scope>test</scope>
+ </dependencySet>
+ </dependencySets>
+ <fileSets>
+ <fileSet>
+ <directory>${project.build.directory}/test-classes</directory>
+ <outputDirectory/>
+ <includes>
+ <include>**/*.class</include>
+ </includes>
+ <useDefaultExcludes>true</useDefaultExcludes>
+ </fileSet>
+ <fileSet>
+ <directory>${project.build.directory}/classes</directory>
+ <outputDirectory/>
+ <includes>
+ <include>**/*.class</include>
+ </includes>
+ <useDefaultExcludes>true</useDefaultExcludes>
+ </fileSet>
+ </fileSets>
+</assembly>
\ No newline at end of file
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/A_Payment.java b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/A_Payment.java
new file mode 100644
index 0000000000000000000000000000000000000000..bf910f0585b4c94fcf55e431a3aa42012cb77166
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/A_Payment.java
@@ -0,0 +1,51 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+/**
+ * Payment rules for customer orders.
+ */
+public class A_Payment {
+
+ /**
+ * <p>Calculate order related end customer billing amounts.</p>
+ *
+ * <p>Due payments are being calculated by the following two rules:</p>
+ *
+ * <ol>
+ * <li>
+ * <p>For order amounts below 50€ an additional 6.50€ shipping fee applies.</p>
+ * </li>
+ *
+ * <li>
+ * <p>Customers paying within two days receive an early payment discount of 2% being applied
+ * to order costs excluding shipping fee.</p>
+ *
+ * <p>Examples:</p>
+ * <ul>
+ * <li>
+ * <p>An order worth of 50.00€ being paid within two days will be reduced by 2% resulting in
+ * 49.00€. The regular costs exceeding 50€ the customer still enjoys a free delivery.</p>
+ * </li>
+ *
+ * <li>
+ * <p>An order worth of 40.00€ being paid within two days will be reduced by 2% resulting in
+ * 39.20€. The regular costs of 40€ not exceeding the 50€ limit adding 6.50€ shipping results in
+ * a due amount of 45.70€.</p>
+ * </li>
+ * </ul>
+ *
+ * </li>
+ * </ol>
+ *
+ * @param orderAmount The order's sum of all costs
+ * @param paymentDelayInDays Period until payment occurs.
+ * @return <p>The total due amount a customer is obliged to pay.</p>
+ *
+ * <img src="doc-files/euros.svg" alt="Five euros" style="width: 20em; height: auto;">
+ *
+ */
+ static public double getBillingAmount(final double orderAmount, final int paymentDelayInDays) {
+ return 123.456; // TODO: Implement me correctly
+ }
+
+ private A_Payment(){/* Suppressing constructor Javadoc HTML generation */}
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/B_Irrigation.java b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/B_Irrigation.java
new file mode 100644
index 0000000000000000000000000000000000000000..01537e78e72c56128e0d959963e4be749936f895
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/B_Irrigation.java
@@ -0,0 +1,38 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+/**
+ * <p>Irrigation scheduling</p>
+ */
+public class B_Irrigation {
+
+ /**
+ *
+ * <p>Controlling irrigation times.</p>
+ *
+ * <p>A farmer intends to start irrigating her plants within two periods in the morning and afternoon:</p>
+ *
+ * <ul>
+ * <li>from 5:00 to 6:30 (inclusive)</li>
+ * <li>from 21:30 to 22:30 (inclusive)</li>
+ * </ul>
+ *
+ * <section class="implementationHints">
+ * <h4 class="implementationHints">Hint:</h4>
+ *
+ * <p>A full day has got \( 24 \cdot 60 = 1440 \) minutes. You may convert all time data like e.g.
+ * <span style="color:red;">21</span>:<span style="color:blue;">47</span> to minutes
+ * using \( \textcolor{red}{21} \cdot 60 + \textcolor{blue}{47} = 1307 \) minutes making decisions based on the
+ * above described time periods easier.</p>
+ *
+ * </section>
+ *
+ * @param hour Current hour e.g. <span style="color:red;">22</span> in <span style="color:red;">22</span>:35.
+ * @param minute Current minute e.g. <span style="color:red;">35</span> in 22:<span style="color:red;">35</span>.
+ * @return <code>true</code> if irrigation is intended to be active, <code>false</code> otherwise.
+ */
+ public static boolean irrigationIsActive(final int hour, final int minute) {
+ return false; // TODO: Implement me correctly
+ }
+
+ private B_Irrigation(){/* Suppressing constructor Javadoc HTML generation */}
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/C_Switch.java b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/C_Switch.java
new file mode 100644
index 0000000000000000000000000000000000000000..8c94ed1f8f45e9207fc927f5735a644bcd78caa0
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/C_Switch.java
@@ -0,0 +1,119 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+/**
+ * <p>Handling first name and surname.</p>
+ */
+public class C_Switch {
+ /**
+ * <p>Switch first name and surname.</p>
+ *
+ * <p>This method expects person names in reverse government agency style:
+ * <span style="color:red;">First name</span> and <code style="color:blue;">surname</code> are being switched and
+ * separated by a comma. These will be transformed back to their »regular« form. Examples:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Switching Back to Regular</caption>
+ * <tbody>
+ * <tr>
+ * <th>Agency style</th>
+ * <th>Regular style</th>
+ * </tr>
+ * <tr>
+ * <td><code style="color:blue;">Davis</code>,<code style="color:red;">Miles</code></td>
+ * <td><code style="color:red;">Miles</code> <code style="color:blue;">Davis</code></td>
+ * </tr>
+ * <tr>
+ * <td><code style="color:blue;">Tolkien</code>,<code style="color:red;">John Ronald Reuel</code></td>
+ * <td><code style="color:red;">John Ronald Reuel</code> <code style="color:blue;">Tolkien</code></td>
+ * </tr>
+ * </tbody>
+ * </table>
+ *
+ * <p>Whitespace shall be ignored. In the following examples the "<code style="color:red;">â£</code>" character
+ * denotes whitespace:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Whitespace handling</caption>
+ * <tbody>
+ * <tr>
+ * <th>Agency style</th>
+ * <th>Regular style</th>
+ * </tr>
+ * <tr>
+ * <td><code>Noether,<span style="color:red;">â£</span>Emmy</code></td>
+ * <td rowspan="3">Emmy Noether</td>
+ * </tr>
+ * <tr>
+ * <td><code>Noether,<span style="color:red;">â£â£â£</span>Emmy</code></td>
+ * </tr>
+ * <tr>
+ * <td><code><span style="color:red;">â£â£</span>Noether,<span style="color:red;">â£</span
+ * >Emmy<span style="color:red;">â£â£â£</span></code></td>
+ * </tr>
+ * </tbody>
+ * </table>
+ *
+ * <p>Erroneous or completely absent input yields a <code>null</code> return value:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Erroneous cases</caption>
+ * <tbody>
+ * <tr>
+ * <th>Agency Style</th>
+ * <th>Remark</th>
+ * <th>Result</th>
+ * </tr>
+ * <tr>
+ * <td><code>Rutherford John</code></td>
+ * <td><code>Missing comma</code></td>
+ * <td rowspan="7"><code>null</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>Ronald Reuel,Tolkien,John</code></td>
+ * <td rowspan="2">Two commas</td>
+ * </tr>
+ * <tr>
+ * <td><code>Ronald Reuel<span style="color:red;">â£â£â£</span>,Tolkien,<span style="color:red;">â£</span>John</code></td>
+ * </tr>
+ * <tr>
+ * <td>,<code style="color:red;">John</code></td>
+ * <td rowspan ="2">Comma at start, no <code style="color:blue;">surname</code></td>
+ * </tr>
+ * <tr>
+ * <td>â£â£â£,â£<code style="color:red;">John</code></td>
+ * </tr>
+ * <tr>
+ * <td><code style="color:blue;">Updike</code>,</td>
+ * <td>Comma at end, no <code style="color:red;">first name</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>null</code></td>
+ * <td>No input - no output</td>
+ * </tr>
+ * </tbody>
+ * </table>
+ *
+ * <section class="implementationHints">
+ * <h4 class="implementationHints">Useful methods:</h4>
+ *
+ * <ul>
+ * <li>{@link String#charAt(int)} retrieving character at given index.</li>
+ *
+ * <li>{@link String#toCharArray()} converting a {@link String} into <code>char[]</code>.</li>
+ *
+ * <li>{@link String#trim()} stripping off whitespace at beginning and end.</li>
+ *
+ * <li>{@link String#split(String)} using <code>","</code> for regexp parameter.</li>
+ * </ul>
+ * </section>
+ *
+ * @param agencyStyleName A person's name written as <code style="color:red">surname, first name</code>.
+ * @return A regular person's name <code style="color:red">first name surname</code> or <code>null</code> in case of
+ * error or complete lack of input.
+ */
+ static public String switchFirstAndSurname(final String agencyStyleName) {
+ return "Nonsense"; // TODO: Implement me correctly
+ }
+
+ private C_Switch() {/* Suppressing constructor Javadoc HTML generation */}
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelper.java b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..77d7eb52a6bad6c564b3a4bd4fc978e56378ecaf
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelper.java
@@ -0,0 +1,74 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+/** <p>Array helper method.</p>
+ *
+ */
+public class D_ArrayHelper {
+
+ /**
+ * <p>Gather information about an <code>int</code> array's negative, zero and positive values.</p>
+ *
+ * <p>An <code>int</code> array may contain negative, zero and positive values. This information is being
+ * provided by a {@link String}:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Filtering {@link String} instances</caption>
+ * <tr>
+ * <th>Values</th>
+ * <th>Result String</th>
+ * </tr>
+ * <tr>
+ * <td><code>{1, 7, 5,20}</code></td>
+ * <td><code>"positives"</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>{-1, -20, 0, -33}</code></td>
+ * <td><code>"negatives,zeroes"</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>{1, 7, -4, 5, 20, 0}</code></td>
+ * <td><code>"negatives,zeroes,positives"</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>{0}</code></td>
+ * <td><code>"zeroes"</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>{-4}</code></td>
+ * <td><code>"negatives"</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>{}</code></td>
+ * <td rowspan="2"><code>""</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>null</code></td>
+ * </tr>
+ *
+ * </table>
+ *
+ * <p>The exact names and their order matters:</p>
+ * <ol>
+ * <li><code>"negatives"</code></li>
+ * <li><code>"zeroes"</code></li>
+ * <li><code>"positives"</code></li>
+ * </ol>
+ *
+ * <p>Thus we will see e.g. <code>"negatives,positives"</code> but never <code>"positives,negatives"</code>.</p>
+ *
+ * <section class="implementationHints">
+ * <h4 class="implementationHints">Hint:</h4>
+ * <p>Mind whitespace: <code>"negatives,<span style="color:red;">â£</span>zeroes"</code> differs from
+ * <code>"negatives,zeroes"</code> by an additional space character "<span style="color:red;">â£</span>"
+ * following the comma.</p>
+ * </section>
+ *
+ * @param values Integer values
+ * @return String Categorization of signs as being stated above or an empty string if no values being present.
+ */
+ public static String getSigns(final int[] values) {
+ return "Nonsense"; // TODO: Implement me correctly
+ }
+
+ private D_ArrayHelper(){/* Suppressing constructor Javadoc HTML generation */}
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/package-info.java b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/package-info.java
new file mode 100644
index 0000000000000000000000000000000000000000..fb7bb58c281c72e0241b31061906c3bf633172d2
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task1/package-info.java
@@ -0,0 +1,17 @@
+/**
+ * <p>This package mostly (if not completely) contains static methods.</p>
+ *
+ * <p>The ordering being implied by class names reflects the author's opinion with respect to ascending implementation
+ * difficulty. Hints:</p>
+ *
+ * <ul>
+ * <li>Run <code>mvn javadoc:javadoc</code> and open the generated
+ * <code>/home/.../target/site/apidocs/index.html</code> file in your browser of choice.</li>
+ *
+ * <li>Use the corresponding unit tests to check your implementation's consistency and class
+ * <code>de.hdm_stuttgart.mi.sd1.test.ShowReachedPoints</code> from your project's “unit test†branch.</li>
+ *
+ * </ul>
+ *
+ */
+package de.hdm_stuttgart.mi.sd1.task1;
\ No newline at end of file
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task2/StringHelper.java b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task2/StringHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..62b36facc4210576c0c4c68827f0d112c10ca50f
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/java/de/hdm_stuttgart/mi/sd1/task2/StringHelper.java
@@ -0,0 +1,113 @@
+package de.hdm_stuttgart.mi.sd1.task2;
+
+import java.util.Arrays;
+
+/**
+ * <p>String related helper methods.</p>
+ */
+public class StringHelper {
+
+ /**
+ *
+ * <p>Restrict an array of arbitrary type objects to a given list of types and converting them to {@link String}
+ * instances.</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Classes to be filtered</caption>
+ * <tr>
+ * <th colspan="4">Class</th>
+ * </tr>
+ * <tr>
+ * <td>{@link String}</td>
+ * <td>{@link StringBuilder}</td>
+ * <td>{@link StringBuffer}</td>
+ * <td>{@link Boolean}</td>
+ * </tr>
+ * <tr>
+ * <td>{@link Integer}</td>
+ * <td>{@link Long}</td>
+ * <td>{@link Float}</td>
+ * <td>{@link Double}</td>
+ * </tr>
+ * </table>
+ *
+ * <p>Consider the following example list of objects:</p>
+ *
+ * <pre><code class="java"> Object[] collection = {"Foo", null, new StringBuffer("Eve"), 42, new StringBuilder("Adam"), new Scanner(System.in), 3.7f, true};
+ * // Array index: 0 1 2 3 4 5 6 7</code></pre>
+ *
+ * <p>By virtue of boxing the <code>collection</code> array references:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Objects being contained in variable <code>collection</code></caption>
+ * <tr>
+ * <th>Array index</th>
+ * <th>Class</th>
+ * <th>Array index</th>
+ * <th>Class</th>
+ * <th>Array index</th>
+ * <th>Class</th>
+ * <th>Array index</th>
+ * <th>Class</th>
+ * </tr>
+ * <tr>
+ * <td>0</td>
+ * <td>{@link String}</td>
+ * <td>1</td>
+ * <td><code>null</code> (empty reference)</td>
+ * <td>2</td>
+ * <td>{@link StringBuffer}</td>
+ * <td>3</td>
+ * <td>{@link Integer}</td>
+ * </tr>
+ * <tr>
+ * <td>4</td>
+ * <td>{@link StringBuilder}</td>
+ * <td>5</td>
+ * <td>{@link java.util.Scanner}</td>
+ * <td>6</td>
+ * <td>{@link Float}</td>
+ * <td>7</td>
+ * <td>{@link Boolean}</td>
+ * </tr>
+ * </table>
+ *
+ * <p>Since {@link java.util.Scanner} is not among the to be filtered classes list it will be ignored as
+ * well as the <code>null</code> value. On execution we get:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Filtering {@link String} instances</caption>
+ * <tr>
+ * <th>Code</th>
+ * <th>Result</th>
+ * </tr>
+ * <tr>
+ * <td>
+ * <pre><code class="java"> final Object[] collection = {"Foo", null, ...
+ *
+ * final String[] results = StringHelper.filterStrings(collection);
+ *
+ * for (final String r: results) {
+ * System.out.println('"' + r + '"');
+ * }</code></pre>
+ * </td>
+ * <td>
+ * <pre><code class="nohighlight"> "Foo"
+ * "Eve"
+ * "42"
+ * "Adam"
+ * "3.7"
+ * "true"</code></pre>
+ * </td>
+ * </tr>
+ * </table>
+ *
+ * @param objects Either <code>null</code> or a list of instances possibly containing <code>null</code> values.
+ * @return A filtered list of {@link String} instances.
+ */
+ static public String[] filterStrings(final Object[] objects) {
+ return new String[]{"Nonsense"}; // TODO: Implement me correctly
+ }
+
+ private StringHelper(){ /* Suppressing constructor Javadoc HTML generation */}
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/de/hdm_stuttgart/mi/sd1/task1/doc-files/euros.svg b/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/de/hdm_stuttgart/mi/sd1/task1/doc-files/euros.svg
new file mode 100644
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--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/de/hdm_stuttgart/mi/sd1/task1/doc-files/euros.svg
@@ -0,0 +1,81 @@
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+ <use xlink:href="#euro" transform="translate(800 50)" />
+ <use xlink:href="#euro" transform="translate(200 300)" />
+ <use xlink:href="#euro" transform="translate(1000 200)" />
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diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/resources/fonts/dejavu.css b/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/resources/fonts/dejavu.css
new file mode 100644
index 0000000000000000000000000000000000000000..4fec2b593cdcc719fd7edd6744a33a3395ca8401
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/resources/fonts/dejavu.css
@@ -0,0 +1,3 @@
+/* shame on you, javadoc! Still providing
+@import url('resources/fonts/dejavu.css') line in stylesheet.css
+*/
\ No newline at end of file
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/resources/jdocSupplement.css b/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/resources/jdocSupplement.css
new file mode 100644
index 0000000000000000000000000000000000000000..08840cdbf55d1f43368245d0a965659c4411b2ee
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/resources/jdocSupplement.css
@@ -0,0 +1,72 @@
+/* Javadoc extensions: */
+
+ul > li > ul {
+ list-style-type: circle;
+}
+
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+table.goikTableDefaults>tr>th,
+table.goikTableDefaults>tr>td,
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+table.goikTableDefaults>tbody>tr>td {
+ border: 2px solid black;
+ border-collapse: collapse;
+ padding: 1ex;
+ vertical-align: top;
+}
+
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+ /* border-top-style: solid; border-left-style: solid; border-right-style: solid' */
+ border-bottom-style: none;
+ font-weight: bold;
+ background:#dee3e9;
+ text-align:left;
+ padding:8px 3px 3px 7px;
+}
+
+table.goikTableDefaults>tbody>tr>td {
+ vertical-align:top;
+}
+table.goikTableDefaults {
+ border-spacing: 0px !important;
+}
+
+table.indexTable {
+ border-collapse: collapse;
+ border-style: hidden;
+}
+
+table.indexTable caption {
+ text-align: left;
+}
+
+table.indexTable td, table.indexTable th {
+ border: 1px solid black;
+ padding: 0.5ex;
+}
+
+em {
+ font-weight: bold;
+ font-style: normal;
+}
+section.implementationHints>h3 {
+ font-weight: bold;
+ background-color: rgb(222, 227, 233);
+}
+
+code {
+ white-space: pre;
+}
+
+.implementationHints {
+ background-color: hsl(120, 100%, 95%) !important;
+}
+
+.myRed {
+ color: red;
+}
+
+.myGreen {
+ color: limegreen;
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/resources/jdocSupplement.js b/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/resources/jdocSupplement.js
new file mode 100644
index 0000000000000000000000000000000000000000..97911e5581090aac5e37323427450f8c8c8a3f94
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/javadoc/resources/jdocSupplement.js
@@ -0,0 +1,7 @@
+for(var i in document.links) {
+ var link = document.links[i];
+ if (link.href && link.href.indexOf('http') === 0) {
+ link.target = '_blank';
+ }
+}
+
diff --git a/Klausuren/Sd1/2023summer/Exam/src/main/resources/log4j2.xml b/Klausuren/Sd1/2023summer/Exam/src/main/resources/log4j2.xml
new file mode 100644
index 0000000000000000000000000000000000000000..130f87a144c4eb0107a846e580c8fa7f5e819fc1
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/main/resources/log4j2.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration>
+ <Appenders>
+ <File name="A1" fileName="A1.log" append="false">
+ <PatternLayout pattern="%t %-5p %c{2} - %m%n"/>
+ </File>
+ <Console name="STDOUT" target="SYSTEM_OUT">
+ <PatternLayout pattern="%d %-5p [%t] %C{2} (%F:%L) - %m%n"/>
+ </Console>
+ </Appenders>
+ <Loggers>
+
+ <!-- You my want to define class or package level per-logger rules -->
+ <Logger name="de.hdm_stuttgart.mi.sd1.App" level="debug">
+ <AppenderRef ref="A1"/>
+ </Logger>
+ <Root level="info">
+ <AppenderRef ref="STDOUT"/>
+ </Root>
+ </Loggers>
+</Configuration>
\ No newline at end of file
diff --git a/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/ShowReachedPoints.java b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/ShowReachedPoints.java
new file mode 100644
index 0000000000000000000000000000000000000000..c497c5aeae393b00da76253145cbda5021349372
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/ShowReachedPoints.java
@@ -0,0 +1,22 @@
+package de.hdm_stuttgart.mi.sd1;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.RunTests;
+
+import de.hdm_stuttgart.mi.sd1.task1.*;
+import de.hdm_stuttgart.mi.sd1.task2.StringHelperTest;
+
+public class ShowReachedPoints {
+
+ /**
+ * Revealing total number of reached points from all tasks.
+ *
+ * @param args Unused
+ */
+ public static void main(String[] args) {
+ RunTests.exec(
+ "Task 1"
+ , A_PaymentTest.class, B_IrrigationTest.class, C_SwitchTest.class, D_ArrayHelperTest.class
+ );
+ RunTests.exec("Task 2", StringHelperTest.class);
+ }
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/A_PaymentTest.java b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/A_PaymentTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..2b26ec179b0561e983707f389ae65a16381eee2a
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/A_PaymentTest.java
@@ -0,0 +1,50 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.ExaminationTestDefaults;
+import de.hdm_stuttgart.mi.exam.unitmarking.Marking;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class A_PaymentTest extends ExaminationTestDefaults {
+
+ static final private double EPS = 1.E-13;
+ @Test
+ @Marking(points = 8)
+ public void testFreeShippingPayment () {
+
+ for (int orderSum = 5000; orderSum < 10000; orderSum++) {
+ for (int day = 3; day < 100; day++) {
+ test(orderSum / 100., orderSum / 100., day);
+ }
+ for (int day = 0; day <= 2; day++) {
+ test(orderSum * 98 / 10000., orderSum / 100., day);
+ }
+ }
+ }
+
+ @Test
+ @Marking(points = 8)
+ public void testNonfreeShippingPayment () {
+
+ for (int orderSum = 1; orderSum < 5000; orderSum++) {
+ for (int day = 3; day < 100; day++) {
+ test(orderSum / 100. + 6.50, orderSum / 100., day);
+ }
+ for (int day = 0; day <= 2; day++) {
+ test(orderSum * 98 / 10000. + 6.50, orderSum / 100., day);
+ }
+ }
+ }
+
+ static private void test(final double expectedCosts, final double amount, int paymentDelay) {
+
+ final String message = "An order worth of " + amount + "€ and payment at day " + paymentDelay +
+ " results in total costs of " + expectedCosts + "€";
+
+ Assert.assertEquals(
+ message,
+ expectedCosts,
+ A_Payment.getBillingAmount(amount, paymentDelay),
+ EPS);
+ }
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/B_IrrigationTest.java b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/B_IrrigationTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..efb8d9e35ea585c52c16b62ced833328b9e1b70f
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/B_IrrigationTest.java
@@ -0,0 +1,84 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.ExaminationTestDefaults;
+import de.hdm_stuttgart.mi.exam.unitmarking.Marking;
+import org.junit.Assert;
+import org.junit.Test;
+import static de.hdm_stuttgart.mi.sd1.task1.B_Irrigation.irrigationIsActive;
+public class B_IrrigationTest extends ExaminationTestDefaults {
+
+ @Test
+ @Marking(points = 13)
+ public void testIrrigation () {
+
+ boolean expectedIrrigationState = false; // 0:00 till 4:59
+ for (int hour = 0; hour <= 4; hour++) {
+ for (int minute = 0; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, hour, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(hour, minute));
+ }
+ }
+
+ expectedIrrigationState = true; // 5:00 till 5:59
+ for (int minute = 0; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 5, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(5, minute));
+ }
+
+ expectedIrrigationState = true; // 6:00 till 6:30
+ for (int minute = 0; minute <= 30; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 6, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(6, minute));
+ }
+
+ expectedIrrigationState = false; // 6:31 till 6:59
+ for (int minute = 31; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 6, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(6, minute));
+ }
+
+ expectedIrrigationState = false; // 7:00 till 20:59
+ for (int hour = 7; hour <= 20; hour++) {
+ for (int minute = 0; minute < 60; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, hour, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(hour, minute));
+ }
+ }
+
+ expectedIrrigationState = false; // 21:00 till 21:29
+ for (int minute = 0; minute <= 29; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 21, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(21, minute));
+ }
+
+ expectedIrrigationState = true; // 21:30 till 21:59
+ for (int minute = 30; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 21, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(21, minute));
+ }
+
+ expectedIrrigationState = true; // 22:00 till 22:30
+ for (int minute = 0; minute <= 30; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 22, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(22, minute));
+ }
+
+ // 22:31 till 22:59
+ expectedIrrigationState = false; // 22:31 till 22:59
+ for (int minute = 31; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 22, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(22, minute));
+ }
+
+ expectedIrrigationState = false; // 23:00 till 23:59
+ for (int minute = 0; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 23, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(23, minute));
+ }
+ }
+
+ private String getErrorMessage(final boolean expectedIrrigationState, final int hour, final int minute) {
+ return "At " + hour + ":" + minute + " Irrigation is supposed to be "+
+ (expectedIrrigationState ? "active" : "inactive");
+ }
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/C_SwitchTest.java b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/C_SwitchTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..cbb173f1d3b080fa6bd5ed0b770d3d6c878de9a3
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/C_SwitchTest.java
@@ -0,0 +1,72 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.ExaminationTestDefaults;
+import de.hdm_stuttgart.mi.exam.unitmarking.Marking;
+import org.junit.Assert;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+import static de.hdm_stuttgart.mi.sd1.task1.C_Switch.switchFirstAndSurname;
+
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class
+C_SwitchTest extends ExaminationTestDefaults {
+
+ @Test
+ @Marking(points = 2)
+ public void test_050_null() {
+ Assert.assertNull(switchFirstAndSurname(null));
+ }
+
+ @Test
+ @Marking(points = 2)
+ public void test_100_error() {
+ Assert.assertNull(switchFirstAndSurname(""));
+ Assert.assertNull(switchFirstAndSurname(" "));
+ Assert.assertNull(switchFirstAndSurname(" test "));
+ Assert.assertNull(switchFirstAndSurname("Tucholski;Kurt"));
+ Assert.assertNull(switchFirstAndSurname("Macdonald Amy"));
+ Assert.assertNull(switchFirstAndSurname("Keynes, John, Maynard"));
+ Assert.assertNull(switchFirstAndSurname(",Hauser Kaspar"));
+ Assert.assertNull(switchFirstAndSurname("Hauser Kaspar,"));
+ Assert.assertNull(switchFirstAndSurname("Hauser, Kaspar,"));
+ Assert.assertNull(switchFirstAndSurname(",Hauser, Kaspar"));
+ Assert.assertNull(switchFirstAndSurname(",Hauser , Kaspar"));
+ Assert.assertNull(switchFirstAndSurname(",,,,,,,"));
+ }
+
+ @Test
+ @Marking(points = 2)
+ public void test_200_minNoWhite() {
+ Assert.assertEquals("R D", switchFirstAndSurname("D,R"));
+ Assert.assertEquals("Y X", switchFirstAndSurname("X,Y"));
+ }
+
+ @Test
+ @Marking(points = 2)
+ public void test_210_minWhite() {
+ Assert.assertEquals("q P", switchFirstAndSurname("P, q"));
+ Assert.assertEquals("z l", switchFirstAndSurname("l, z"));
+ Assert.assertEquals("T d", switchFirstAndSurname("d, T "));
+ Assert.assertEquals("k p", switchFirstAndSurname(" p,k"));
+ Assert.assertEquals("u l J", switchFirstAndSurname(" l J , u "));
+ }
+
+ @Test
+ @Marking(points = 2)
+ public void test_300_regularNoWhite() {
+ Assert.assertEquals("Miles Davis", switchFirstAndSurname("Davis,Miles"));
+ Assert.assertEquals("Hannah Arendt", switchFirstAndSurname("Arendt,Hannah"));
+ Assert.assertEquals("Simone de Beauvoir", switchFirstAndSurname("de Beauvoir,Simone"));
+ }
+
+ @Test
+ @Marking(points = 2)
+ public void test_300_regularWhite() {
+ Assert.assertEquals("Martin Luther King", switchFirstAndSurname(" King, Martin Luther"));
+ Assert.assertEquals("Janis Joplin", switchFirstAndSurname(" Joplin ,Janis "));
+ Assert.assertEquals("John von Neumann", switchFirstAndSurname("von Neumann , John "));
+ }
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelperTest.java b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelperTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..c72ec39c5e351f75fff02b5e6840a130531db63a
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelperTest.java
@@ -0,0 +1,68 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.ExaminationTestDefaults;
+import org.junit.Assert;
+import org.junit.Test;
+import static de.hdm_stuttgart.mi.sd1.task1.D_ArrayHelper.getSigns;
+public class D_ArrayHelperTest extends ExaminationTestDefaults {
+
+ @Test
+ public void test_100_null() {
+ Assert.assertEquals("", getSigns(null));
+ }
+
+ @Test
+ public void test_110_empty() {
+ Assert.assertEquals("", getSigns(new int[]{}));
+ }
+
+ @Test
+ public void test_200_positivesSingle() {
+ Assert.assertEquals("positives", getSigns(new int[]{1}));
+ Assert.assertEquals("positives", getSigns(new int[]{70}));
+ Assert.assertEquals("positives", getSigns(new int[]{3000}));
+ }
+
+ @Test
+ public void test_210_positivesMultiple() {
+ Assert.assertEquals("positives", getSigns(new int[]{9, 1, 200, 50}));
+ Assert.assertEquals("positives", getSigns(new int[]{10000000, 1000, 999, 8}));
+ Assert.assertEquals("positives", getSigns(new int[]{100, 99}));
+ }
+
+ @Test
+ public void test_300_NegativesSingle() {
+ Assert.assertEquals("negatives", getSigns(new int[]{-5}));
+ Assert.assertEquals("negatives", getSigns(new int[]{-300}));
+ Assert.assertEquals("negatives", getSigns(new int[]{-99999}));
+ }
+
+ @Test
+ public void test_310_NegativesMultiple() {
+ Assert.assertEquals("negatives", getSigns(new int[]{-100, -9}));
+ Assert.assertEquals("negatives", getSigns(new int[]{-1, -3, -5, -7}));
+ }
+
+ @Test
+ public void test_400_justZero() {
+ Assert.assertEquals("zeroes", getSigns(new int[]{0}));
+ }
+
+ @Test
+ public void test_410_justZeroMultiple() {
+ Assert.assertEquals("zeroes", getSigns(new int[]{0, 0}));
+ Assert.assertEquals("zeroes", getSigns(new int[]{0, 0, 0}));
+ Assert.assertEquals("zeroes", getSigns(new int[]{0, 0, 0, 0}));
+ Assert.assertEquals("zeroes", getSigns(new int[]{0, 0, 0, 0, 0}));
+ }
+
+ @Test
+ public void test_500_mixed() {
+ Assert.assertEquals("negatives,zeroes,positives", getSigns(new int[]{3, -1, 0}));
+ Assert.assertEquals("zeroes,positives", getSigns(new int[]{55, 9, 0}));
+ Assert.assertEquals("negatives,zeroes,positives", getSigns(new int[]{0, -19, 300}));
+ Assert.assertEquals("negatives,positives", getSigns(new int[]{42, 9, -17}));
+ Assert.assertEquals("negatives,positives", getSigns(new int[]{55, 9, -33, 27, 88, -1000, 9}));
+ Assert.assertEquals("negatives,zeroes,positives", getSigns(new int[]{0, -3, 0, 55, 9, 0, 1111}));
+ }
+}
diff --git a/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task2/StringHelperTest.java b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task2/StringHelperTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..b2e0d309098b1d2635bc25674c9141ed76cd35ea
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Exam/src/test/java/de/hdm_stuttgart/mi/sd1/task2/StringHelperTest.java
@@ -0,0 +1,39 @@
+package de.hdm_stuttgart.mi.sd1.task2;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.ExaminationTestDefaults;
+import de.hdm_stuttgart.mi.exam.unitmarking.Marking;
+import org.junit.Assert;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+import java.io.File;
+import java.util.Scanner;
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+
+public class StringHelperTest extends ExaminationTestDefaults {
+ @Test
+ @Marking(points = 4)
+ public void test_100_void() {
+ final Object[] input = {null, new File[0], null, new Scanner(System.in)};
+ final String[] expected = {};
+ Assert.assertArrayEquals(expected, StringHelper.filterStrings(input));
+ }
+ @Test
+ @Marking(points = 8)
+ public void test_200_StringResemblingClasses() {
+ final Object[] input = {null, "Eve", new StringBuffer("Adam"), null, new StringBuilder("Hello")};
+ final String[] expected = {"Eve", "Adam", "Hello"};
+ Assert.assertArrayEquals(expected, StringHelper.filterStrings(input));
+ }
+
+ @Test
+ @Marking(points = 8)
+ public void test_200_mixedClasses() {
+ final Object[] input = {null, null, "Eve", -13, false, null, new File("a"), 47.11, null};
+ final String[] expected = {"Eve", "-13", "false", "47.11"};
+ Assert.assertArrayEquals(expected, StringHelper.filterStrings(input));
+ }
+
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/Docs/.gitignore b/Klausuren/Sd1/2023summer/Solve/Docs/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..2d19fc766d98a08d9d1437896bfb008a7b15f340
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/Docs/.gitignore
@@ -0,0 +1 @@
+*.html
diff --git a/Klausuren/Sd1/2023summer/Solve/Docs/exam.xml b/Klausuren/Sd1/2023summer/Solve/Docs/exam.xml
new file mode 100644
index 0000000000000000000000000000000000000000..f8e04de04c3961cd2b63e05b6ded01442f30014d
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/Docs/exam.xml
@@ -0,0 +1,255 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<section version="5.0" xml:id="sd1_exam_2023_summer" xml:lang="en"
+ xmlns="http://docbook.org/ns/docbook"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns:xila="http://www.w3.org/2001/XInclude/local-attributes"
+ xmlns:xi="http://www.w3.org/2001/XInclude"
+ xmlns:trans="http://docbook.org/ns/transclusion"
+ xmlns:svg="http://www.w3.org/2000/svg"
+ xmlns:m="http://www.w3.org/1998/Math/MathML"
+ xmlns:html="http://www.w3.org/1999/xhtml"
+ xmlns:db="http://docbook.org/ns/docbook">
+ <title>SD1 examination summer 2023</title>
+
+ <section xml:id="sd1_exam_2023_summer_task1">
+ <title>Implementing tasks</title>
+
+ <section xml:id="sd1_exam_2023_summer_task1_preparation">
+ <title>Preparation</title>
+
+ <orderedlist>
+ <listitem>
+ <para>Download and unzip the above file
+ <filename>exam.zip</filename>. You should see a directory
+ »<filename>Exam</filename>« containing a
+ <filename>pom.xml</filename> file.</para>
+ </listitem>
+
+ <listitem>
+ <para>Open this project in your <productname>IDEA</productname> IDE
+ by selecting the <filename>Exam/pom.xml</filename> file.</para>
+ </listitem>
+ </orderedlist>
+ </section>
+
+ <section xml:id="sd1_exam_2023_summer_task1_task">
+ <title>Task</title>
+
+ <qandaset defaultlabel="qanda" xml:id="sd1_exam_2023_summer_task1Qanda">
+ <qandadiv>
+ <qandaentry>
+ <question>
+ <para>Open the <filename>Readme.md</filename> file in your
+ project's root. It contains all necessary instructions for
+ solving the implementation tasks.</para>
+ </question>
+
+ <answer>
+ <para>Solution see <link
+ xlink:href="https://gitlab.mi.hdm-stuttgart.de/goik/GoikLectures/-/tree/master/Klausuren/Sd1/2023summer/Solve">summer
+ 2023 exam</link>.</para>
+ </answer>
+ </qandaentry>
+ </qandadiv>
+ </qandaset>
+ </section>
+
+ <section xml:id="sd1_exam_2023_summer_task1Caveats">
+ <title>Caveats</title>
+
+ <itemizedlist>
+ <listitem>
+ <para>When approaching end of examination check your input for
+ completeness prior to being automatically logged out by the system.
+ Remember: There is 120 minutes for the examination and another 5
+ minutes to check for completeness.</para>
+ </listitem>
+
+ <listitem>
+ <para>Projects residing just on your local workstation's file system
+ cannot be recovered after finishing the exam.</para>
+ </listitem>
+ </itemizedlist>
+ </section>
+ </section>
+
+ <section xml:id="sd1_exam_2023_summer_task2">
+ <title>switch versus if ... else if ... else</title>
+
+ <qandaset defaultlabel="qanda" xml:id="sd1_exam_2023_summer_task3Qanda">
+ <qandadiv>
+ <qandaentry>
+ <question>
+ <para>Consider a method
+ <methodname>computeItemCount()</methodname> of following
+ signature:</para>
+
+ <programlisting language="none">static int computeItemCount() {...}</programlisting>
+
+ <para>This method will be called by two different implementations
+ of another method <methodname>getScore()</methodname>:</para>
+
+ <informaltable border="1">
+ <tr>
+ <th>Implementation by <code>switch</code></th>
+
+ <th>Implementation by <code>if ... else if ...
+ else</code></th>
+ </tr>
+
+ <tr>
+ <td valign="top"><programlisting language="java">public static int getScore() {
+
+ switch (computeItemCount()){
+ case 1: return 20;
+ case 3: return 50;
+ default: return 0;
+ }
+}</programlisting></td>
+
+ <td valign="top"><programlisting language="java">public static int getScore() {
+
+ if (1 == computeItemCount()) {
+ return 20;
+ } else if (3 == computeItemCount()) {
+ return 50;
+ } else {
+ return 0;
+ }
+}</programlisting></td>
+ </tr>
+ </informaltable>
+
+ <para>An experienced programmer claims these two implementations
+ possibly return different results when executing
+ <methodname>getScore()</methodname>. Is she right? <emphasis
+ role="red">Explain</emphasis> your answer.</para>
+
+ <tip>
+ <para>Consider possible side effects of calling
+ <methodname>computeItemCount()</methodname> and provide an
+ example.</para>
+ </tip>
+ </question>
+
+ <answer>
+ <para>Consider:</para>
+
+ <programlisting language="java">public class X {
+ private static int itemCount = 2;
+
+ static int computeItemCount() {return itemCount++;}
+ ...
+}</programlisting>
+
+ <para>On a fresh start calling
+ <methodname>computeItemCount()</methodname> for the first time
+ will return the current value 2 of our variable <code
+ language="java">itemCount</code>.</para>
+
+ <para>The <code language="java">switch</code> implementation will
+ match its default and thus return 0.</para>
+
+ <para>On contrary the <code>if ... else if ... else</code>
+ implementation will call
+ <methodname>computeItemCount()</methodname> two times:</para>
+
+ <orderedlist>
+ <listitem>
+ <para>The first if <code>(1 == computeItemCount())</code>
+ fails since 1 != 2. This results in incrementing <code
+ language="java">itemCount</code> by 1 to the new value
+ 3.</para>
+ </listitem>
+
+ <listitem>
+ <para>Now the else if <code language="java">(3 ==
+ computeItemCount())</code> clause succeeds. Thus
+ <methodname>getScore()</methodname> returns 50.</para>
+ </listitem>
+ </orderedlist>
+
+ <para>So the <code language="java">switch</code> statement
+ implementing a jump table differs from <code>if ... else if</code>
+ in definitely calling <code
+ language="java">computeItemCount()</code> only once.</para>
+ </answer>
+ </qandaentry>
+ </qandadiv>
+ </qandaset>
+ </section>
+
+ <section xml:id="sd1_exam_2023_summer_task3">
+ <title>Exception handling</title>
+
+ <qandaset defaultlabel="qanda" xml:id="sd1_exam_2023_summer_task2Qanda">
+ <qandadiv>
+ <qandaentry>
+ <question>
+ <para>Consider the following snippet:</para>
+
+ <programlisting language="java">Object o = ...;
+int a = ...;
+...
+try {
+ String s = (String) o; // May throw a <link
+ xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/ClassCastException.html">ClassCastException</link>
+ int c = 4 / a; // May throw an <link
+ xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/ArithmeticException.html">ArithmeticException</link>
+} catch (<link xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/ClassCastException.html">ClassCastException</link> e) {
+ System.err.println(e.getMessage());
+} catch (<link xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/ArithmeticException.html">ArithmeticException</link> e) {
+ System.err.println(e.getMessage());
+}</programlisting>
+
+ <para>Facilitate the above code and <emphasis
+ role="red">explain</emphasis> why your simpler implementation
+ always and under all circumstances produces an identical runtime
+ result.</para>
+
+ <tip>
+ <itemizedlist>
+ <listitem>
+ <para>Both <code language="java">catch</code> clauses
+ contain the same text.</para>
+ </listitem>
+
+ <listitem>
+ <para>Search the inheritance hierarchy for a common ancestor
+ class and consider the <methodname>getMessage()</methodname>
+ method. Where is it actually being defined?</para>
+ </listitem>
+ </itemizedlist>
+ </tip>
+ </question>
+
+ <answer>
+ <para>Both <link
+ xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/ClassCastException.html">ClassCastException</link>
+ and <link
+ xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/ArithmeticException.html">ArithmeticException</link>
+ are being derived from their common parent <link
+ xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/RuntimeException.html">RuntimeException</link>.
+ All three classes share the common <link
+ xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/Throwable.html">Throwable</link>#<link
+ xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/Throwable.html#getMessage()">getMessage()</link>
+ method by inheritance without redefining it.</para>
+
+ <para>Our two <code>catch</code> clauses may thus be combined into
+ one:</para>
+
+ <programlisting language="java">...
+try {
+ String s = (String) o; // May throw a <link
+ xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/ClassCastException.html">ClassCastException</link>
+ int c = 4 / a; // May throw an <link
+ xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/ArithmeticException.html">ArithmeticException</link>
+} catch (<link xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/RuntimeException.html">RuntimeException</link> e) { // Common parent class
+ System.err.println(e.getMessage());
+}</programlisting>
+ </answer>
+ </qandaentry>
+ </qandadiv>
+ </qandaset>
+ </section>
+</section>
diff --git a/Klausuren/Sd1/2023summer/Solve/Readme.md b/Klausuren/Sd1/2023summer/Solve/Readme.md
new file mode 100644
index 0000000000000000000000000000000000000000..117f68a50982b7bac1d18665ab27fe313eeb5b99
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/Readme.md
@@ -0,0 +1,55 @@
+# Generate ond open class/method javadoc for browsing
+
+Grab a terminal in this IDE (By lower left icon or Alt+F12) and issue the following command:
+
+<pre>Exam> mvn javadoc:javadoc
+...
+[<span style="color:blue;font-weight:bold;">INFO</span>] Executing tasks
+[<span style="color:orange;font-weight:bold;">WARNING</span>] [echo] Javadoc root at <span style="color:blue;">file:///home/.../Downloads/Exam/target/site/apidocs/index.html</span>
+[<span style="color:blue;font-weight:bold;">INFO</span>] Executed tasks
+...</pre>
+
+Click the <span style="color:blue;">file:///.../index.html</span> link opening your project's `index.html` Javadoc root
+in your system's default web browser.
+
+# Implementation tasks
+
+Your project's following packages do contain implementation tasks:
+
+- `de.hdm_stuttgart.mi.sd1.task1` (50 Points)
+
+- `de.hdm_stuttgart.mi.sd1.task2` (20 points, more difficult)
+
+Read the generated documentation and implement the skeleton methods and classes.
+
+Your project's `test` branch does contain corresponding unit tests for verifying your solutions' correctness.
+
+# Hints
+
+- Your score solely depends on the number of successfully executing unit tests. A »nearly correct« implementation failing
+with respect to a given unit tests will not contribute any points at all.
+
+- General advice: Implement less but correctly.
+
+- Mind special cases i.e. `null` variable values or null values being contained in arrays.
+
+- In case of test failures both the IDEA debugger and logging statements are your friend.
+
+Executing `de.hdm_stuttgart.mi.sd1.ShowReachedPoints` in your project's test branch as a Java application
+(not as Junit test!) shows your number of points reached so far.
+
+Do not model your implementations along unit test definitions i.e. avoid cheating this way! Such behaviour will be
+regarded as an attempt at deception (Täuschungsversuch).
+
+# Exam system upload
+
+After finishing implementing:
+
+1. Export this project by hitting **»File ➔ Export ➔ Project to Zip File«**.
+1. Use a self-explanatory file name like e.g. `solution1.zip`.
+1. Go to your exam browser window and upload `solution1.zip` .
+1. Complete by **clicking the »<span style="background: #527A35;color:white;">Speichern + weiter ➞ </span>«** button.
+1. Hit **<span style="background: #446684;color:white;"> 🠬 Speichern + zurück</span>** and check if your
+ upload is visible.
+1. If you advance on implementing: Repeat steps 1. to 5.: Only the least uploaded `.zip` archive will become subject to
+ marking.
diff --git a/Klausuren/Sd1/2023summer/Solve/pom.xml b/Klausuren/Sd1/2023summer/Solve/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..7edc7209eeb20fad161fb00c42760b4d65118656
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/pom.xml
@@ -0,0 +1,133 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <groupId>de.hdm_stuttgart.mi.sd1</groupId>
+ <artifactId>sd1_2023summer_solve</artifactId>
+ <version>0.9</version>
+ <packaging>jar</packaging>
+
+ <name>sd1_2023summer_solve</name>
+
+ <url>https://freedocs.mi.hdm-stuttgart.de/sd1_sect_mavenCli.html</url>
+
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+ <maven.compiler.release>17</maven.compiler.release>
+
+ <freedocs.url>https://freedocs.mi.hdm-stuttgart.de</freedocs.url>
+ <jdk.api_17.url>${freedocs.url}/doc/openjdk-17-doc/api/</jdk.api_17.url>
+ <mathjax.url>${freedocs.url}/lib/MathJax/es5/tex-chtml.js</mathjax.url>
+ <libhighlight.url>${freedocs.url}/lib/highlight.js</libhighlight.url>
+ </properties>
+
+ <repositories>
+ <repository>
+ <id>hdm-mi-internal-maven-repo</id>
+ <url>https://maven.mi.hdm-stuttgart.de/nexus/repository/mi-maven</url>
+ </repository>
+ </repositories>
+
+ <dependencies>
+ <dependency>
+ <groupId>de.hdm_stuttgart.mi.exam</groupId>
+ <artifactId>unitmarking</artifactId>
+ <version>1.2</version>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>3.11.0</version>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-antrun-plugin</artifactId>
+ <version>3.1.0</version>
+ <executions>
+ <execution>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>run</goal>
+ </goals>
+ <configuration>
+ <target>
+ <echo>Javadoc root at file://${project.basedir}/target/site/apidocs/index.html</echo>
+ </target>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-javadoc-plugin</artifactId>
+ <version>3.5.0</version>
+ <configuration>
+ <release>17</release>
+ <doclint>all</doclint>
+ <show>public</show>
+ <docfilessubdirs>true</docfilessubdirs>
+ <addStylesheets>
+ <stylesheet>resources/jdocSupplement.css</stylesheet>
+ </addStylesheets>
+
+ <windowtitle>Exam documentation</windowtitle>
+
+ <links>
+ <link>${freedocs.url}/doc/openjdk-17-doc/api/</link>
+ </links>
+
+ <additionalOptions>
+ <additionalOption>-html5 --allow-script-in-comments</additionalOption>
+ </additionalOptions>
+ <nohelp>true</nohelp>
+
+ <header><![CDATA[
+ <script type="text/javascript" src="${mathjax.url}"></script>
+ <script type="text/javascript" src="{@docRoot}/resources/jdocSupplement.js"></script>
+
+ <link rel="stylesheet" href="${libhighlight.url}/styles/idea.min.css">
+ <script src="${libhighlight.url}/highlight.min.js"></script>
+ <script type="text/javascript">hljs.highlightAll();</script>]]>
+ </header>
+ <bottom><![CDATA[Copyright © 2023 Stuttgart Media University / MI. Licensed under
+ <a style="font-weight:bold;" href="https://creativecommons.org/licenses/by/4.0/legalcode" target="_blank"
+ >Creative Commons Attribution 4.0 International Public License</a>.]]></bottom>
+ </configuration>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-assembly-plugin</artifactId>
+ <version>3.6.0</version>
+ <configuration>
+ <descriptors>
+ <descriptor>src/main/assembly/assembly.xml</descriptor>
+ </descriptors>
+ </configuration>
+ <executions>
+ <execution>
+ <id>make-assembly</id>
+ <phase>package</phase>
+ <goals>
+ <goal>single</goal>
+ </goals>
+ <configuration>
+ <archive>
+ <manifest>
+ <mainClass>de.hdm_stuttgart.mi.sd1.ShowReachedPoints</mainClass>
+ </manifest>
+ </archive>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+</project>
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/assembly/assembly.xml b/Klausuren/Sd1/2023summer/Solve/src/main/assembly/assembly.xml
new file mode 100644
index 0000000000000000000000000000000000000000..85268e2965620878373d76337f524d8785fd0e1f
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/assembly/assembly.xml
@@ -0,0 +1,36 @@
+<assembly
+ xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3 http://maven.apache.org/xsd/assembly-1.1.3.xsd">
+ <id>fat-tests</id>
+ <formats>
+ <format>jar</format>
+ </formats>
+ <includeBaseDirectory>false</includeBaseDirectory>
+ <dependencySets>
+ <dependencySet>
+ <outputDirectory/>
+ <useProjectArtifact>true</useProjectArtifact>
+ <unpack>true</unpack>
+ <scope>test</scope>
+ </dependencySet>
+ </dependencySets>
+ <fileSets>
+ <fileSet>
+ <directory>${project.build.directory}/test-classes</directory>
+ <outputDirectory/>
+ <includes>
+ <include>**/*.class</include>
+ </includes>
+ <useDefaultExcludes>true</useDefaultExcludes>
+ </fileSet>
+ <fileSet>
+ <directory>${project.build.directory}/classes</directory>
+ <outputDirectory/>
+ <includes>
+ <include>**/*.class</include>
+ </includes>
+ <useDefaultExcludes>true</useDefaultExcludes>
+ </fileSet>
+ </fileSets>
+</assembly>
\ No newline at end of file
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/only_in_solve/StringObjects.java b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/only_in_solve/StringObjects.java
new file mode 100644
index 0000000000000000000000000000000000000000..1e8c68ba197f7932142c6d29e18d72ba15220a19
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/only_in_solve/StringObjects.java
@@ -0,0 +1,31 @@
+package de.hdm_stuttgart.mi.sd1.only_in_solve;
+
+import de.hdm_stuttgart.mi.sd1.task2.StringHelper;
+
+import java.util.Scanner;
+
+/**
+ * Demo usage
+ */
+public class StringObjects {
+
+ /**
+ * Demo usage
+ * @param args Unused
+ */
+ public static void main(String[] args) {
+
+ Object[] collection = {"Foo", null, new StringBuffer("Eve"), 42, new StringBuilder("Adam"), new Scanner(System.in), 3.7f, true};
+ // Array index: 0 1 2 3 4 5 6</code></pre>
+
+String[] results = StringHelper.filterStrings(collection);
+
+for (final String r: results) {
+ System.out.println('"' + r + '"');
+}
+
+ }
+
+
+
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/A_Payment.java b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/A_Payment.java
new file mode 100644
index 0000000000000000000000000000000000000000..acb47be234f4d9c3ee7ecba9b08fe9302eb1e207
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/A_Payment.java
@@ -0,0 +1,58 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+/**
+ * Payment rules for customer orders.
+ */
+public class A_Payment {
+
+ /**
+ * <p>Calculate order related end customer billing amounts.</p>
+ *
+ * <p>Due payments are being calculated by the following two rules:</p>
+ *
+ * <ol>
+ * <li>
+ * <p>For order amounts below 50€ an additional 6.50€ shipping fee applies.</p>
+ * </li>
+ *
+ * <li>
+ * <p>Customers paying within two days receive an early payment discount of 2% being applied
+ * to order costs excluding shipping fee.</p>
+ *
+ * <p>Examples:</p>
+ * <ul>
+ * <li>
+ * <p>An order worth of 50.00€ being paid within two days will be reduced by 2% resulting in
+ * 49.00€. The regular costs exceeding 50€ the customer still enjoys a free delivery.</p>
+ * </li>
+ *
+ * <li>
+ * <p>An order worth of 40.00€ being paid within two days will be reduced by 2% resulting in
+ * 39.20€. The regular costs of 40€ not exceeding the 50€ limit adding 6.50€ shipping results in
+ * a due amount of 45.70€.</p>
+ * </li>
+ * </ul>
+ *
+ * </li>
+ * </ol>
+ *
+ * @param orderAmount The order's sum of all costs
+ * @param paymentDelayInDays Period until payment occurs.
+ * @return <p>The total due amount a customer is obliged to pay.</p>
+ *
+ * <img src="doc-files/euros.svg" alt="Five euros" style="width: 20em; height: auto;">
+ *
+ */
+ static public double getBillingAmount(final double orderAmount, final int paymentDelayInDays) {
+
+ final double shippingFee = orderAmount < 50 ? 6.50: 0;
+
+ if (paymentDelayInDays <= 2) {
+ return orderAmount * 98 / 100 + shippingFee;
+ } else {
+ return orderAmount + shippingFee;
+ }
+ }
+
+ private A_Payment(){/* Suppressing constructor Javadoc HTML generation */}
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/B_Irrigation.java b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/B_Irrigation.java
new file mode 100644
index 0000000000000000000000000000000000000000..cb490e38bcd1da78ada5d6abe50abf0aff7e9fe8
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/B_Irrigation.java
@@ -0,0 +1,44 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+/**
+ * <p>Irrigation scheduling</p>
+ */
+public class B_Irrigation {
+
+ /**
+ *
+ * <p>Controlling irrigation times.</p>
+ *
+ * <p>A farmer intends to start irrigating her plants within two periods in the morning and afternoon:</p>
+ *
+ * <ul>
+ * <li>from 5:00 to 6:30 (inclusive)</li>
+ * <li>from 21:30 to 22:30 (inclusive)</li>
+ * </ul>
+ *
+ * <section class="implementationHints">
+ * <h4 class="implementationHints">Hint:</h4>
+ *
+ * <p>A full day has got \( 24 \cdot 60 = 1440 \) minutes. You may convert all time data like e.g.
+ * <span style="color:red;">21</span>:<span style="color:blue;">47</span> to minutes
+ * using \( \textcolor{red}{21} \cdot 60 + \textcolor{blue}{47} = 1307 \) minutes making decisions based on the
+ * above described time periods easier.</p>
+ *
+ * </section>
+ *
+ * @param hour Current hour e.g. <span style="color:red;">22</span> in <span style="color:red;">22</span>:35.
+ * @param minute Current minute e.g. <span style="color:red;">35</span> in 22:<span style="color:red;">35</span>.
+ * @return <code>true</code> if irrigation is intended to be active, <code>false</code> otherwise.
+ */
+ public static boolean irrigationIsActive(final int hour, final int minute) {
+
+ final int fullTimeInMinutes = 60 * hour + minute;
+
+ return (5 * 60 <= fullTimeInMinutes && fullTimeInMinutes <= 6 * 60 + 30) ||
+ //5:00 6:30
+ (21 * 60 + 30 <= fullTimeInMinutes && fullTimeInMinutes <= 22 * 60 + 30);
+ // 21:30 22:30
+ }
+
+ private B_Irrigation(){/* Suppressing constructor Javadoc HTML generation */}
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/C_Switch.java b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/C_Switch.java
new file mode 100644
index 0000000000000000000000000000000000000000..f4f6ed75ac1d8e41d2f6e99cbeaae4f9d589340e
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/C_Switch.java
@@ -0,0 +1,144 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+/**
+ * <p>Handling first name and surname.</p>
+ */
+public class C_Switch {
+ /**
+ * <p>Switch first name and surname.</p>
+ *
+ * <p>This method expects person names in reverse government agency style:
+ * <span style="color:red;">First name</span> and <code style="color:blue;">surname</code> are being switched and
+ * separated by a comma. These will be transformed back to their »regular« form. Examples:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Switching Back to Regular</caption>
+ * <tbody>
+ * <tr>
+ * <th>Agency style</th>
+ * <th>Regular style</th>
+ * </tr>
+ * <tr>
+ * <td><code style="color:blue;">Davis</code>,<code style="color:red;">Miles</code></td>
+ * <td><code style="color:red;">Miles</code> <code style="color:blue;">Davis</code></td>
+ * </tr>
+ * <tr>
+ * <td><code style="color:blue;">Tolkien</code>,<code style="color:red;">John Ronald Reuel</code></td>
+ * <td><code style="color:red;">John Ronald Reuel</code> <code style="color:blue;">Tolkien</code></td>
+ * </tr>
+ * </tbody>
+ * </table>
+ *
+ * <p>Whitespace shall be ignored. In the following examples the "<code style="color:red;">â£</code>" character
+ * denotes whitespace:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Whitespace handling</caption>
+ * <tbody>
+ * <tr>
+ * <th>Agency style</th>
+ * <th>Regular style</th>
+ * </tr>
+ * <tr>
+ * <td><code>Noether,<span style="color:red;">â£</span>Emmy</code></td>
+ * <td rowspan="3">Emmy Noether</td>
+ * </tr>
+ * <tr>
+ * <td><code>Noether,<span style="color:red;">â£â£â£</span>Emmy</code></td>
+ * </tr>
+ * <tr>
+ * <td><code><span style="color:red;">â£â£</span>Noether,<span style="color:red;">â£</span
+ * >Emmy<span style="color:red;">â£â£â£</span></code></td>
+ * </tr>
+ * </tbody>
+ * </table>
+ *
+ * <p>Erroneous or completely absent input yields a <code>null</code> return value:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Erroneous cases</caption>
+ * <tbody>
+ * <tr>
+ * <th>Agency Style</th>
+ * <th>Remark</th>
+ * <th>Result</th>
+ * </tr>
+ * <tr>
+ * <td><code>Rutherford John</code></td>
+ * <td><code>Missing comma</code></td>
+ * <td rowspan="7"><code>null</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>Ronald Reuel,Tolkien,John</code></td>
+ * <td rowspan="2">Two commas</td>
+ * </tr>
+ * <tr>
+ * <td><code>Ronald Reuel<span style="color:red;">â£â£â£</span>,Tolkien,<span style="color:red;">â£</span>John</code></td>
+ * </tr>
+ * <tr>
+ * <td>,<code style="color:red;">John</code></td>
+ * <td rowspan ="2">Comma at start, no <code style="color:blue;">surname</code></td>
+ * </tr>
+ * <tr>
+ * <td>â£â£â£,â£<code style="color:red;">John</code></td>
+ * </tr>
+ * <tr>
+ * <td><code style="color:blue;">Updike</code>,</td>
+ * <td>Comma at end, no <code style="color:red;">first name</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>null</code></td>
+ * <td>No input - no output</td>
+ * </tr>
+ * </tbody>
+ * </table>
+ *
+ * <section class="implementationHints">
+ * <h4 class="implementationHints">Useful methods:</h4>
+ *
+ * <ul>
+ * <li>{@link String#charAt(int)} retrieving character at given index.</li>
+ *
+ * <li>{@link String#toCharArray()} converting a {@link String} into <code>char[]</code>.</li>
+ *
+ * <li>{@link String#trim()} stripping off whitespace at beginning and end.</li>
+ *
+ * <li>{@link String#split(String)} using <code>","</code> for regexp parameter.</li>
+ * </ul>
+ * </section>
+ *
+ * @param agencyStyleName A person's name written as <code style="color:red">surname, first name</code>.
+ * @return A regular person's name <code style="color:red">first name surname</code> or <code>null</code> in case of
+ * error or complete lack of input.
+ */
+ static public String switchFirstAndSurname(final String agencyStyleName) {
+ if (null == agencyStyleName || agencyStyleName.trim().equals("")) {
+ return null;
+ } else {
+ final char[] stringCharacter = agencyStyleName.toCharArray();
+ int commaCount = 0; // How many ',' chars are present?
+ for (final char c: stringCharacter) {
+ if (',' == c) {
+ commaCount++;
+ }
+ }
+ if (1 != commaCount || // Not exactly one comma
+ ',' == stringCharacter[0] || // Comma at beginning
+ ',' == stringCharacter[agencyStyleName.length() -1]// comma at end
+ ) {
+ return null;
+ } else {
+ final String[] nameComponents = agencyStyleName.split(",");
+ if (nameComponents[0].trim().equals("") || // Surname just whitespace
+ nameComponents[1].trim().equals("")) // First name just whitespace
+ {
+ return null;
+ } else {
+ return nameComponents[1].trim().concat(" ").concat(nameComponents[0].trim());
+ }
+ }
+ }
+ }
+
+ private C_Switch() {/* Suppressing constructor Javadoc HTML generation */}
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelper.java b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..5fdfc39eb275fcf981266ae0323b4561c4c04745
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelper.java
@@ -0,0 +1,123 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+/** <p>Array helper method.</p>
+ *
+ */
+public class D_ArrayHelper {
+
+ /**
+ * <p>Gather information about an <code>int</code> array's negative, zero and positive values.</p>
+ *
+ * <p>An <code>int</code> array may contain negative, zero and positive values. This information is being
+ * provided by a {@link String}:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Filtering {@link String} instances</caption>
+ * <tr>
+ * <th>Values</th>
+ * <th>Result String</th>
+ * </tr>
+ * <tr>
+ * <td><code>{1, 7, 5,20}</code></td>
+ * <td><code>"positives"</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>{-1, -20, 0, -33}</code></td>
+ * <td><code>"negatives,zeroes"</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>{1, 7, -4, 5, 20, 0}</code></td>
+ * <td><code>"negatives,zeroes,positives"</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>{0}</code></td>
+ * <td><code>"zeroes"</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>{-4}</code></td>
+ * <td><code>"negatives"</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>{}</code></td>
+ * <td rowspan="2"><code>""</code></td>
+ * </tr>
+ * <tr>
+ * <td><code>null</code></td>
+ * </tr>
+ *
+ * </table>
+ *
+ * <p>The exact names and their order matters:</p>
+ * <ol>
+ * <li><code>"negatives"</code></li>
+ * <li><code>"zeroes"</code></li>
+ * <li><code>"positives"</code></li>
+ * </ol>
+ *
+ * <p>Thus we will see e.g. <code>"negatives,positives"</code> but never <code>"positives,negatives"</code>.</p>
+ *
+ * <section class="implementationHints">
+ * <h4 class="implementationHints">Hint:</h4>
+ * <p>Mind whitespace: <code>"negatives,<span style="color:red;">â£</span>zeroes"</code> differs from
+ * <code>"negatives,zeroes"</code> by an additional space character "<span style="color:red;">â£</span>"
+ * following the comma.</p>
+ * </section>
+ *
+ * @param values Integer values
+ * @return String Categorization of signs as being stated above or an empty string if no values being present.
+ */
+ public static String getSigns(final int[] values) {
+
+ // Handle trivial cases
+ //
+ if (null == values || 0 == values.length) {
+ return "";
+ }
+
+ // Step one: See whether negatives, zeroes or positives do show up among our values.
+ //
+ boolean hasNegatives = false, hasZeroes = false, hasPositives = false;
+
+ for (final int value: values) {
+ if (value < 0 ) {
+ hasNegatives = true;
+ } else if (0 == value) {
+ hasZeroes = true;
+ } else {
+ hasPositives = true;
+ }
+
+ if (hasNegatives && hasZeroes && hasPositives) { // Minor optimization
+ break;
+ }
+ }
+
+ // Step 2: Assemble a possibly true subset of {"negatives", "zeroes", "positives"}
+ //
+ final String[] signs = new String[3];
+ int signCount = 0;
+
+ if (hasNegatives) {
+ signs[signCount++] = "negatives";
+ }
+
+ if (hasZeroes) {
+ signs[signCount++] = "zeroes";
+ }
+
+ if (hasPositives) {
+ signs[signCount++] = "positives";
+ }
+
+ // Step 3: Assemble retrieved signs into a result string
+ //
+ final StringBuilder ret = new StringBuilder(signs[0]);// At least one must exist
+
+ for (int i = 1; i < signCount; i++) {
+ ret.append(',').append(signs[i]);
+ }
+ return ret.toString();
+ }
+
+ private D_ArrayHelper(){/* Suppressing constructor Javadoc HTML generation */}
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/package-info.java b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/package-info.java
new file mode 100644
index 0000000000000000000000000000000000000000..fb7bb58c281c72e0241b31061906c3bf633172d2
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task1/package-info.java
@@ -0,0 +1,17 @@
+/**
+ * <p>This package mostly (if not completely) contains static methods.</p>
+ *
+ * <p>The ordering being implied by class names reflects the author's opinion with respect to ascending implementation
+ * difficulty. Hints:</p>
+ *
+ * <ul>
+ * <li>Run <code>mvn javadoc:javadoc</code> and open the generated
+ * <code>/home/.../target/site/apidocs/index.html</code> file in your browser of choice.</li>
+ *
+ * <li>Use the corresponding unit tests to check your implementation's consistency and class
+ * <code>de.hdm_stuttgart.mi.sd1.test.ShowReachedPoints</code> from your project's “unit test†branch.</li>
+ *
+ * </ul>
+ *
+ */
+package de.hdm_stuttgart.mi.sd1.task1;
\ No newline at end of file
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task2/StringHelper.java b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task2/StringHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..4d6aa0824b05ce588a16ee41d3db494e53d1dcb2
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/task2/StringHelper.java
@@ -0,0 +1,133 @@
+package de.hdm_stuttgart.mi.sd1.task2;
+
+import java.util.Arrays;
+
+/**
+ * <p>String related helper methods.</p>
+ */
+public class StringHelper {
+
+ /**
+ *
+ * <p>Restrict an array of arbitrary type objects to a given list of types and converting them to {@link String}
+ * instances.</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Classes to be filtered</caption>
+ * <tr>
+ * <th colspan="4">Class</th>
+ * </tr>
+ * <tr>
+ * <td>{@link String}</td>
+ * <td>{@link StringBuilder}</td>
+ * <td>{@link StringBuffer}</td>
+ * <td>{@link Boolean}</td>
+ * </tr>
+ * <tr>
+ * <td>{@link Integer}</td>
+ * <td>{@link Long}</td>
+ * <td>{@link Float}</td>
+ * <td>{@link Double}</td>
+ * </tr>
+ * </table>
+ *
+ * <p>Consider the following example list of objects:</p>
+ *
+ * <pre><code class="java"> Object[] collection = {"Foo", null, new StringBuffer("Eve"), 42, new StringBuilder("Adam"), new Scanner(System.in), 3.7f, true};
+ * // Array index: 0 1 2 3 4 5 6 7</code></pre>
+ *
+ * <p>By virtue of boxing the <code>collection</code> array references:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Objects being contained in variable <code>collection</code></caption>
+ * <tr>
+ * <th>Array index</th>
+ * <th>Class</th>
+ * <th>Array index</th>
+ * <th>Class</th>
+ * <th>Array index</th>
+ * <th>Class</th>
+ * <th>Array index</th>
+ * <th>Class</th>
+ * </tr>
+ * <tr>
+ * <td>0</td>
+ * <td>{@link String}</td>
+ * <td>1</td>
+ * <td><code>null</code> (empty reference)</td>
+ * <td>2</td>
+ * <td>{@link StringBuffer}</td>
+ * <td>3</td>
+ * <td>{@link Integer}</td>
+ * </tr>
+ * <tr>
+ * <td>4</td>
+ * <td>{@link StringBuilder}</td>
+ * <td>5</td>
+ * <td>{@link java.util.Scanner}</td>
+ * <td>6</td>
+ * <td>{@link Float}</td>
+ * <td>7</td>
+ * <td>{@link Boolean}</td>
+ * </tr>
+ * </table>
+ *
+ * <p>Since {@link java.util.Scanner} is not among the to be filtered classes list it will be ignored as
+ * well as the <code>null</code> value. On execution we get:</p>
+ *
+ * <table class="goikTableDefaults">
+ * <caption>Filtering {@link String} instances</caption>
+ * <tr>
+ * <th>Code</th>
+ * <th>Result</th>
+ * </tr>
+ * <tr>
+ * <td>
+ * <pre><code class="java"> final Object[] collection = {"Foo", null, ...
+ *
+ * final String[] results = StringHelper.filterStrings(collection);
+ *
+ * for (final String r: results) {
+ * System.out.println('"' + r + '"');
+ * }</code></pre>
+ * </td>
+ * <td>
+ * <pre><code class="nohighlight"> "Foo"
+ * "Eve"
+ * "42"
+ * "Adam"
+ * "3.7"
+ * "true"</code></pre>
+ * </td>
+ * </tr>
+ * </table>
+ *
+ * @param objects Either <code>null</code> or a list of instances possibly containing <code>null</code> values.
+ * @return A filtered list of {@link String} instances.
+ */
+ static public String[] filterStrings(final Object[] objects) {
+
+ if (null == objects || 0 == objects.length) {
+ return new String[0];
+ } else {
+ final String[] retrievedStrings = new String[objects.length];
+ int count = 0;
+ for (final Object o: objects) {
+ if (o instanceof String ||
+ o instanceof StringBuilder ||
+ o instanceof StringBuffer ||
+ o instanceof Boolean ||
+ o instanceof Number) {
+ retrievedStrings[count++] = o.toString();
+ }
+ }
+ if (0 == count) {
+ return new String[0];
+ } else {
+ return Arrays.copyOf(retrievedStrings, count);
+ }
+ }
+ }
+
+ private StringHelper(){ /* Suppressing constructor Javadoc HTML generation */}
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/de/hdm_stuttgart/mi/sd1/task1/doc-files/euros.svg b/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/de/hdm_stuttgart/mi/sd1/task1/doc-files/euros.svg
new file mode 100644
index 0000000000000000000000000000000000000000..52b438c426ac23f2d8a99af520cda060fa8a4acd
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/de/hdm_stuttgart/mi/sd1/task1/doc-files/euros.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0"?>
+<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#"
+ xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:svg="http://www.w3.org/2000/svg" id="svg2997"
+ viewBox="0 0 2000 1100" version="1.1">
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+ </linearGradient>
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+ <stop id="stop8782-6" stop-color="#ccc" stop-opacity=".7459" offset="1"/>
+ </linearGradient>
+ </defs>
+ <defs>
+ <g id="euro" transform="translate(-13.377 -26.164)">
+ <g id="g4633">
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+ <path id="path3019-56-73" d="m593.97 66.453-11.515-6.6597-12.014 5.7106 2.7753-13.01-9.1437-9.6617 13.231-1.3807 6.3632-11.682 5.4016 12.156 13.076 2.4419-9.8922 8.8938z" fill-opacity=".31373" transform="matrix(.53895 0 0 .52918 187.55 615.03)" stroke="#000" stroke-width="1.9136"/>
+ <rect id="rect3882" fill-opacity=".31373" rx="1.5215" height="17.914" width="3.6435" stroke="#000" y="93.759" x="500.77" stroke-width="1.0219"/>
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+ <rect id="rect3882-2" fill-opacity=".31373" rx="1.5215" height="29.933" width="3.6435" stroke="#000" y="199.88" x="631.02" stroke-width="1.0219"/>
+ <rect id="rect3882-67" fill-opacity=".31373" rx="1.5215" height="93.709" width="3.6435" stroke="#000" y="150.69" x="499.25" stroke-width="1.0219"/>
+ <rect id="rect3882-07" fill-opacity=".31373" rx="1.5215" height="23.51" width="3.6435" stroke="#000" y="164.35" x="526.57" stroke-width="1.0219"/>
+ <rect id="rect3882-3" fill-opacity=".31373" rx="1.5215" height="17.914" width="3.6435" stroke="#000" y="657.13" x="499.55" stroke-width="1.0219"/>
+ <rect id="rect3882-03" fill-opacity=".31373" rx="1.5215" height="17.914" width="3.6435" stroke="#000" y="643.17" x="527.18" stroke-width="1.0219"/>
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+ <rect id="rect3882-1" fill-opacity=".31373" rx="1.5215" height="26.64" width="3.6435" stroke="#000" y="598.53" x="579.1" stroke-width="1.0219"/>
+ <rect id="rect3882-53" fill-opacity=".31373" rx="1.5215" height="27.508" width="3.6435" stroke="#000" y="570.3" x="603.09" stroke-width="1.0219"/>
+ <rect id="rect3882-38" fill-opacity=".31373" rx="1.5215" height="29.977" width="3.6435" stroke="#000" y="537.2" x="629.81" stroke-width="1.0219"/>
+ <rect id="rect3882-28" fill-opacity=".31373" rx="1.5215" ry="1.2023" height="94.05" width="3.6435" stroke="#000" y="521.41" x="500.16" stroke-width="1.0219"/>
+ <rect id="rect3882-64" fill-opacity=".31373" rx="1.5215" height="54.649" width="3.6435" stroke="#000" y="548.13" x="526.88" stroke-width="1.0219"/>
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+ </g>
+ </g>
+ </defs>
+
+ <use xlink:href="#euro" />
+ <use xlink:href="#euro" transform="translate(800 50)" />
+ <use xlink:href="#euro" transform="translate(200 300)" />
+ <use xlink:href="#euro" transform="translate(1000 200)" />
+ <use xlink:href="#euro" transform="translate(1200 0)" />
+ <use xlink:href="#euro" transform="translate(400 50)" />
+
+</svg>
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/resources/fonts/dejavu.css b/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/resources/fonts/dejavu.css
new file mode 100644
index 0000000000000000000000000000000000000000..4fec2b593cdcc719fd7edd6744a33a3395ca8401
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/resources/fonts/dejavu.css
@@ -0,0 +1,3 @@
+/* shame on you, javadoc! Still providing
+@import url('resources/fonts/dejavu.css') line in stylesheet.css
+*/
\ No newline at end of file
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/resources/jdocSupplement.css b/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/resources/jdocSupplement.css
new file mode 100644
index 0000000000000000000000000000000000000000..08840cdbf55d1f43368245d0a965659c4411b2ee
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/resources/jdocSupplement.css
@@ -0,0 +1,72 @@
+/* Javadoc extensions: */
+
+ul > li > ul {
+ list-style-type: circle;
+}
+
+table.goikTableDefaults,
+table.goikTableDefaults>caption,
+table.goikTableDefaults>tr>th,
+table.goikTableDefaults>tr>td,
+table.goikTableDefaults>tbody>tr>th,
+table.goikTableDefaults>tbody>tr>td {
+ border: 2px solid black;
+ border-collapse: collapse;
+ padding: 1ex;
+ vertical-align: top;
+}
+
+table.goikTableDefaults>caption {
+ /* border-top-style: solid; border-left-style: solid; border-right-style: solid' */
+ border-bottom-style: none;
+ font-weight: bold;
+ background:#dee3e9;
+ text-align:left;
+ padding:8px 3px 3px 7px;
+}
+
+table.goikTableDefaults>tbody>tr>td {
+ vertical-align:top;
+}
+table.goikTableDefaults {
+ border-spacing: 0px !important;
+}
+
+table.indexTable {
+ border-collapse: collapse;
+ border-style: hidden;
+}
+
+table.indexTable caption {
+ text-align: left;
+}
+
+table.indexTable td, table.indexTable th {
+ border: 1px solid black;
+ padding: 0.5ex;
+}
+
+em {
+ font-weight: bold;
+ font-style: normal;
+}
+section.implementationHints>h3 {
+ font-weight: bold;
+ background-color: rgb(222, 227, 233);
+}
+
+code {
+ white-space: pre;
+}
+
+.implementationHints {
+ background-color: hsl(120, 100%, 95%) !important;
+}
+
+.myRed {
+ color: red;
+}
+
+.myGreen {
+ color: limegreen;
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/resources/jdocSupplement.js b/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/resources/jdocSupplement.js
new file mode 100644
index 0000000000000000000000000000000000000000..97911e5581090aac5e37323427450f8c8c8a3f94
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/javadoc/resources/jdocSupplement.js
@@ -0,0 +1,7 @@
+for(var i in document.links) {
+ var link = document.links[i];
+ if (link.href && link.href.indexOf('http') === 0) {
+ link.target = '_blank';
+ }
+}
+
diff --git a/Klausuren/Sd1/2023summer/Solve/src/main/resources/log4j2.xml b/Klausuren/Sd1/2023summer/Solve/src/main/resources/log4j2.xml
new file mode 100644
index 0000000000000000000000000000000000000000..130f87a144c4eb0107a846e580c8fa7f5e819fc1
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/main/resources/log4j2.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration>
+ <Appenders>
+ <File name="A1" fileName="A1.log" append="false">
+ <PatternLayout pattern="%t %-5p %c{2} - %m%n"/>
+ </File>
+ <Console name="STDOUT" target="SYSTEM_OUT">
+ <PatternLayout pattern="%d %-5p [%t] %C{2} (%F:%L) - %m%n"/>
+ </Console>
+ </Appenders>
+ <Loggers>
+
+ <!-- You my want to define class or package level per-logger rules -->
+ <Logger name="de.hdm_stuttgart.mi.sd1.App" level="debug">
+ <AppenderRef ref="A1"/>
+ </Logger>
+ <Root level="info">
+ <AppenderRef ref="STDOUT"/>
+ </Root>
+ </Loggers>
+</Configuration>
\ No newline at end of file
diff --git a/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/ShowReachedPoints.java b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/ShowReachedPoints.java
new file mode 100644
index 0000000000000000000000000000000000000000..c497c5aeae393b00da76253145cbda5021349372
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/ShowReachedPoints.java
@@ -0,0 +1,22 @@
+package de.hdm_stuttgart.mi.sd1;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.RunTests;
+
+import de.hdm_stuttgart.mi.sd1.task1.*;
+import de.hdm_stuttgart.mi.sd1.task2.StringHelperTest;
+
+public class ShowReachedPoints {
+
+ /**
+ * Revealing total number of reached points from all tasks.
+ *
+ * @param args Unused
+ */
+ public static void main(String[] args) {
+ RunTests.exec(
+ "Task 1"
+ , A_PaymentTest.class, B_IrrigationTest.class, C_SwitchTest.class, D_ArrayHelperTest.class
+ );
+ RunTests.exec("Task 2", StringHelperTest.class);
+ }
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/A_PaymentTest.java b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/A_PaymentTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..2b26ec179b0561e983707f389ae65a16381eee2a
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/A_PaymentTest.java
@@ -0,0 +1,50 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.ExaminationTestDefaults;
+import de.hdm_stuttgart.mi.exam.unitmarking.Marking;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class A_PaymentTest extends ExaminationTestDefaults {
+
+ static final private double EPS = 1.E-13;
+ @Test
+ @Marking(points = 8)
+ public void testFreeShippingPayment () {
+
+ for (int orderSum = 5000; orderSum < 10000; orderSum++) {
+ for (int day = 3; day < 100; day++) {
+ test(orderSum / 100., orderSum / 100., day);
+ }
+ for (int day = 0; day <= 2; day++) {
+ test(orderSum * 98 / 10000., orderSum / 100., day);
+ }
+ }
+ }
+
+ @Test
+ @Marking(points = 8)
+ public void testNonfreeShippingPayment () {
+
+ for (int orderSum = 1; orderSum < 5000; orderSum++) {
+ for (int day = 3; day < 100; day++) {
+ test(orderSum / 100. + 6.50, orderSum / 100., day);
+ }
+ for (int day = 0; day <= 2; day++) {
+ test(orderSum * 98 / 10000. + 6.50, orderSum / 100., day);
+ }
+ }
+ }
+
+ static private void test(final double expectedCosts, final double amount, int paymentDelay) {
+
+ final String message = "An order worth of " + amount + "€ and payment at day " + paymentDelay +
+ " results in total costs of " + expectedCosts + "€";
+
+ Assert.assertEquals(
+ message,
+ expectedCosts,
+ A_Payment.getBillingAmount(amount, paymentDelay),
+ EPS);
+ }
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/B_IrrigationTest.java b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/B_IrrigationTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..efb8d9e35ea585c52c16b62ced833328b9e1b70f
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/B_IrrigationTest.java
@@ -0,0 +1,84 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.ExaminationTestDefaults;
+import de.hdm_stuttgart.mi.exam.unitmarking.Marking;
+import org.junit.Assert;
+import org.junit.Test;
+import static de.hdm_stuttgart.mi.sd1.task1.B_Irrigation.irrigationIsActive;
+public class B_IrrigationTest extends ExaminationTestDefaults {
+
+ @Test
+ @Marking(points = 13)
+ public void testIrrigation () {
+
+ boolean expectedIrrigationState = false; // 0:00 till 4:59
+ for (int hour = 0; hour <= 4; hour++) {
+ for (int minute = 0; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, hour, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(hour, minute));
+ }
+ }
+
+ expectedIrrigationState = true; // 5:00 till 5:59
+ for (int minute = 0; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 5, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(5, minute));
+ }
+
+ expectedIrrigationState = true; // 6:00 till 6:30
+ for (int minute = 0; minute <= 30; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 6, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(6, minute));
+ }
+
+ expectedIrrigationState = false; // 6:31 till 6:59
+ for (int minute = 31; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 6, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(6, minute));
+ }
+
+ expectedIrrigationState = false; // 7:00 till 20:59
+ for (int hour = 7; hour <= 20; hour++) {
+ for (int minute = 0; minute < 60; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, hour, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(hour, minute));
+ }
+ }
+
+ expectedIrrigationState = false; // 21:00 till 21:29
+ for (int minute = 0; minute <= 29; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 21, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(21, minute));
+ }
+
+ expectedIrrigationState = true; // 21:30 till 21:59
+ for (int minute = 30; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 21, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(21, minute));
+ }
+
+ expectedIrrigationState = true; // 22:00 till 22:30
+ for (int minute = 0; minute <= 30; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 22, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(22, minute));
+ }
+
+ // 22:31 till 22:59
+ expectedIrrigationState = false; // 22:31 till 22:59
+ for (int minute = 31; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 22, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(22, minute));
+ }
+
+ expectedIrrigationState = false; // 23:00 till 23:59
+ for (int minute = 0; minute <= 59; minute++) {
+ final String errMmsg = getErrorMessage(expectedIrrigationState, 23, minute);
+ Assert.assertEquals(errMmsg, expectedIrrigationState, irrigationIsActive(23, minute));
+ }
+ }
+
+ private String getErrorMessage(final boolean expectedIrrigationState, final int hour, final int minute) {
+ return "At " + hour + ":" + minute + " Irrigation is supposed to be "+
+ (expectedIrrigationState ? "active" : "inactive");
+ }
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/C_SwitchTest.java b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/C_SwitchTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..cbb173f1d3b080fa6bd5ed0b770d3d6c878de9a3
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/C_SwitchTest.java
@@ -0,0 +1,72 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.ExaminationTestDefaults;
+import de.hdm_stuttgart.mi.exam.unitmarking.Marking;
+import org.junit.Assert;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+import static de.hdm_stuttgart.mi.sd1.task1.C_Switch.switchFirstAndSurname;
+
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class
+C_SwitchTest extends ExaminationTestDefaults {
+
+ @Test
+ @Marking(points = 2)
+ public void test_050_null() {
+ Assert.assertNull(switchFirstAndSurname(null));
+ }
+
+ @Test
+ @Marking(points = 2)
+ public void test_100_error() {
+ Assert.assertNull(switchFirstAndSurname(""));
+ Assert.assertNull(switchFirstAndSurname(" "));
+ Assert.assertNull(switchFirstAndSurname(" test "));
+ Assert.assertNull(switchFirstAndSurname("Tucholski;Kurt"));
+ Assert.assertNull(switchFirstAndSurname("Macdonald Amy"));
+ Assert.assertNull(switchFirstAndSurname("Keynes, John, Maynard"));
+ Assert.assertNull(switchFirstAndSurname(",Hauser Kaspar"));
+ Assert.assertNull(switchFirstAndSurname("Hauser Kaspar,"));
+ Assert.assertNull(switchFirstAndSurname("Hauser, Kaspar,"));
+ Assert.assertNull(switchFirstAndSurname(",Hauser, Kaspar"));
+ Assert.assertNull(switchFirstAndSurname(",Hauser , Kaspar"));
+ Assert.assertNull(switchFirstAndSurname(",,,,,,,"));
+ }
+
+ @Test
+ @Marking(points = 2)
+ public void test_200_minNoWhite() {
+ Assert.assertEquals("R D", switchFirstAndSurname("D,R"));
+ Assert.assertEquals("Y X", switchFirstAndSurname("X,Y"));
+ }
+
+ @Test
+ @Marking(points = 2)
+ public void test_210_minWhite() {
+ Assert.assertEquals("q P", switchFirstAndSurname("P, q"));
+ Assert.assertEquals("z l", switchFirstAndSurname("l, z"));
+ Assert.assertEquals("T d", switchFirstAndSurname("d, T "));
+ Assert.assertEquals("k p", switchFirstAndSurname(" p,k"));
+ Assert.assertEquals("u l J", switchFirstAndSurname(" l J , u "));
+ }
+
+ @Test
+ @Marking(points = 2)
+ public void test_300_regularNoWhite() {
+ Assert.assertEquals("Miles Davis", switchFirstAndSurname("Davis,Miles"));
+ Assert.assertEquals("Hannah Arendt", switchFirstAndSurname("Arendt,Hannah"));
+ Assert.assertEquals("Simone de Beauvoir", switchFirstAndSurname("de Beauvoir,Simone"));
+ }
+
+ @Test
+ @Marking(points = 2)
+ public void test_300_regularWhite() {
+ Assert.assertEquals("Martin Luther King", switchFirstAndSurname(" King, Martin Luther"));
+ Assert.assertEquals("Janis Joplin", switchFirstAndSurname(" Joplin ,Janis "));
+ Assert.assertEquals("John von Neumann", switchFirstAndSurname("von Neumann , John "));
+ }
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelperTest.java b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelperTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..c72ec39c5e351f75fff02b5e6840a130531db63a
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task1/D_ArrayHelperTest.java
@@ -0,0 +1,68 @@
+package de.hdm_stuttgart.mi.sd1.task1;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.ExaminationTestDefaults;
+import org.junit.Assert;
+import org.junit.Test;
+import static de.hdm_stuttgart.mi.sd1.task1.D_ArrayHelper.getSigns;
+public class D_ArrayHelperTest extends ExaminationTestDefaults {
+
+ @Test
+ public void test_100_null() {
+ Assert.assertEquals("", getSigns(null));
+ }
+
+ @Test
+ public void test_110_empty() {
+ Assert.assertEquals("", getSigns(new int[]{}));
+ }
+
+ @Test
+ public void test_200_positivesSingle() {
+ Assert.assertEquals("positives", getSigns(new int[]{1}));
+ Assert.assertEquals("positives", getSigns(new int[]{70}));
+ Assert.assertEquals("positives", getSigns(new int[]{3000}));
+ }
+
+ @Test
+ public void test_210_positivesMultiple() {
+ Assert.assertEquals("positives", getSigns(new int[]{9, 1, 200, 50}));
+ Assert.assertEquals("positives", getSigns(new int[]{10000000, 1000, 999, 8}));
+ Assert.assertEquals("positives", getSigns(new int[]{100, 99}));
+ }
+
+ @Test
+ public void test_300_NegativesSingle() {
+ Assert.assertEquals("negatives", getSigns(new int[]{-5}));
+ Assert.assertEquals("negatives", getSigns(new int[]{-300}));
+ Assert.assertEquals("negatives", getSigns(new int[]{-99999}));
+ }
+
+ @Test
+ public void test_310_NegativesMultiple() {
+ Assert.assertEquals("negatives", getSigns(new int[]{-100, -9}));
+ Assert.assertEquals("negatives", getSigns(new int[]{-1, -3, -5, -7}));
+ }
+
+ @Test
+ public void test_400_justZero() {
+ Assert.assertEquals("zeroes", getSigns(new int[]{0}));
+ }
+
+ @Test
+ public void test_410_justZeroMultiple() {
+ Assert.assertEquals("zeroes", getSigns(new int[]{0, 0}));
+ Assert.assertEquals("zeroes", getSigns(new int[]{0, 0, 0}));
+ Assert.assertEquals("zeroes", getSigns(new int[]{0, 0, 0, 0}));
+ Assert.assertEquals("zeroes", getSigns(new int[]{0, 0, 0, 0, 0}));
+ }
+
+ @Test
+ public void test_500_mixed() {
+ Assert.assertEquals("negatives,zeroes,positives", getSigns(new int[]{3, -1, 0}));
+ Assert.assertEquals("zeroes,positives", getSigns(new int[]{55, 9, 0}));
+ Assert.assertEquals("negatives,zeroes,positives", getSigns(new int[]{0, -19, 300}));
+ Assert.assertEquals("negatives,positives", getSigns(new int[]{42, 9, -17}));
+ Assert.assertEquals("negatives,positives", getSigns(new int[]{55, 9, -33, 27, 88, -1000, 9}));
+ Assert.assertEquals("negatives,zeroes,positives", getSigns(new int[]{0, -3, 0, 55, 9, 0, 1111}));
+ }
+}
diff --git a/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task2/StringHelperTest.java b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task2/StringHelperTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..b2e0d309098b1d2635bc25674c9141ed76cd35ea
--- /dev/null
+++ b/Klausuren/Sd1/2023summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/task2/StringHelperTest.java
@@ -0,0 +1,39 @@
+package de.hdm_stuttgart.mi.sd1.task2;
+
+import de.hdm_stuttgart.mi.exam.unitmarking.ExaminationTestDefaults;
+import de.hdm_stuttgart.mi.exam.unitmarking.Marking;
+import org.junit.Assert;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+import java.io.File;
+import java.util.Scanner;
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+
+public class StringHelperTest extends ExaminationTestDefaults {
+ @Test
+ @Marking(points = 4)
+ public void test_100_void() {
+ final Object[] input = {null, new File[0], null, new Scanner(System.in)};
+ final String[] expected = {};
+ Assert.assertArrayEquals(expected, StringHelper.filterStrings(input));
+ }
+ @Test
+ @Marking(points = 8)
+ public void test_200_StringResemblingClasses() {
+ final Object[] input = {null, "Eve", new StringBuffer("Adam"), null, new StringBuilder("Hello")};
+ final String[] expected = {"Eve", "Adam", "Hello"};
+ Assert.assertArrayEquals(expected, StringHelper.filterStrings(input));
+ }
+
+ @Test
+ @Marking(points = 8)
+ public void test_200_mixedClasses() {
+ final Object[] input = {null, null, "Eve", -13, false, null, new File("a"), 47.11, null};
+ final String[] expected = {"Eve", "-13", "false", "47.11"};
+ Assert.assertArrayEquals(expected, StringHelper.filterStrings(input));
+ }
+
+}