Supplementary exception hints

Doc/Sd1/Appendix/Exam/2023/Summer/exam.xml

@@ -27,7 +27,8 @@
 
         <listitem>
           <para>Open this project in your <productname>IDEA</productname> IDE
-          by selecting the <filename>Exam/pom.xml</filename> file.</para>
+          by selecting the <filename>Exam/pom.xml</filename> file. Your home
+          directory is <filename>/home/student</filename>.</para>
         </listitem>
       </orderedlist>
     </section>
@@ -172,7 +173,26 @@
             <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>
+            language="java">computeItemCount()</code> only once. In order to
+            be in full accordance we'd need a small modification for the
+            »<code language="java">if</code>« implementation:</para>
+
+            <programlisting language="java">public static int getScore() {
+
+   final int itemCount = computeItemCount();
+
+   if (1 == itemCount) {
+      return 20;
+   } else if (3 == itemCount) {
+      return 50;
+   } else {
+      return 0;
+   }
+}</programlisting>
+
+            <para>This way both implementations are in complete sync. (At
+            least despite runtime efficiency and possible <link
+            xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/OutOfMemoryError.html">OutOfMemoryError</link>s)</para>
           </answer>
         </qandaentry>
       </qandadiv>
@@ -247,6 +267,13 @@ try {
 } 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>
+
+            <para>Caveat: There is a <link
+            xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/RuntimeException.html#class-description">whole
+            bunch of other child classes</link> of <link
+            xlink:href="https://freedocs.mi.hdm-stuttgart.de/doc/openjdk-17-doc/api/java.base/java/lang/RuntimeException.html">RuntimeException</link>.
+            The simplified version thus potentially catches additional
+            exceptions we might not be aware of. </para>
           </answer>
         </qandaentry>
       </qandadiv>