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Issue 302 fixed added comments to code in 6.4 #311

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Merged
pearcej merged 2 commits into from
Aug 3, 2026
Merged

Issue 302 fixed added comments to code in 6.4 #311

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e736895
added comments to code
habibasorour Jul 31, 2026
a44d5ee
Merge branch 'master' into issue_302_comment
habibasorour Aug 3, 2026
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12 changes: 6 additions & 6 deletions source/ch6_definingclasses.ptx
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Original file line number Diff line number Diff line change
Expand Up @@ -568,7 +568,7 @@ Fraction@6ff3c5b5
<program language="java">
<code>
public String toString() {
return numerator.toString() + "/" + denominator.toString();
return numerator.toString() + "/" + denominator.toString(); // convert to a string
}
</code>
</program>
Expand Down Expand Up @@ -703,16 +703,16 @@ public class Fraction extends Number { // fraction class is a child of Number
<listing xml:id="java-object-type-conversions">
<program language="java">
<code>
public double doubleValue() {
public double doubleValue() { // convert to a double
return numerator.doubleValue() / denominator.doubleValue();
}
public float floatValue() {
public float floatValue() { // convert to a float
return numerator.floatValue() / denominator.floatValue();
}
public int intValue() {
public int intValue() { // convert to an int
return numerator.intValue() / denominator.intValue();
}
public long longValue() {
public long longValue() { // convert to a long
return numerator.longValue() / denominator.longValue();
}
</code>
Expand Down Expand Up @@ -740,7 +740,7 @@ public long longValue() {
<program language="java">
<code>
public void test(Number a, Number b) {
a.add(b);
a.add(b); // this is a bad idea
}
</code>
</program>
Expand Down