From 74ec43f160822c430cbd174e5bd6f8b53910df59 Mon Sep 17 00:00:00 2001
From: Martin Goik <goik@hdm-stuttgart.de>
Date: Wed, 9 Nov 2022 14:46:21 +0100
Subject: [PATCH] Renaming mark variable + altern. solution
---
Doc/Sd1/Statements/statements.xml | 28 +++++++++++++++++++++-------
1 file changed, 21 insertions(+), 7 deletions(-)
diff --git a/Doc/Sd1/Statements/statements.xml b/Doc/Sd1/Statements/statements.xml
index 2d01a3161..4d2489a1c 100644
--- a/Doc/Sd1/Statements/statements.xml
+++ b/Doc/Sd1/Statements/statements.xml
@@ -886,7 +886,7 @@ You entered 123</screen><para>See <methodname
<para>A lecturer marks an exam having a maximum of 12 reachable
points:</para>
- <informaltable border="1" width="50%">
+ <informaltable border="1" width="25%">
<tr>
<th>Name</th>
@@ -922,7 +922,7 @@ You entered 123</screen><para>See <methodname
wants to add 3 bonus points but still keeping the maximum of 12
points to be reachable:</para>
- <informaltable border="1" width="50%">
+ <informaltable border="1" width="25%">
<tr>
<th>Name</th>
@@ -970,7 +970,7 @@ You entered 123</screen><para>See <methodname
<programlisting language="java">public static void main(String[] args) {
- int mark = 1; // May range from 0 to 12 points
+ int pointsReached = 7; // May range from 0 to 12 points
final int maximumPoints = 12;
@@ -992,7 +992,7 @@ You entered 123</screen><para>See <methodname
<programlisting language="java">public static void main(String[] args) {
- final int pointsReached = 1;
+ final int pointsReached = 7;
final int maximumPoints = 12;
final int pointsToAdd = 3;
@@ -1007,14 +1007,28 @@ You entered 123</screen><para>See <methodname
System.out.println("New marking:" + augmentedMark);
}</programlisting>
+ <para>Using Java's <link
+ xlink:href="https://www.baeldung.com/java-ternary-operator">ternary
+ operator</link> <code language="java">? :</code> may replace the
+ <code language="java">if</code> clause:</para>
+
+ <programlisting language="java">final int pointsReached = 8;
+final int maximumPoints = 12;
+final int pointsToAdd = 3;
+
+final int augmentedMark = maximumPoints <= pointsReached + pointsToAdd ? maximumPoints : pointsReached + pointsToAdd;
+
+System.out.println("New marking:" + augmentedMark);</programlisting>
+
<para>The augmented marks equal the minimum of <code
language="java">(pointsReached + pointsToAdd</code>) and <code
- language="java">maximumPoints</code>. We may thus code as
- well:</para>
+ language="java">maximumPoints</code>. In favour of upcoming
+ <link linkend="sd1SectClassMembers">methods</link> we may code
+ as well:</para>
<programlisting language="java">public static void main(String[] args) {
- final int pointsReached = 1;
+ final int pointsReached = 7;
final int maximumPoints = 12;
final int pointsToAdd = 3;
--
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