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throw ClassCastException if asked to compare Enums of different types

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This commit is contained in:
Joel Dice
2009-08-21 16:06:12 -06:00
parent 4536f13ee4
commit 77ae259e41
1 changed files with 4 additions and 0 deletions
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4
classpath/java/lang/Enum.java
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@ -22,6 +22,10 @@ public abstract class Enum<E extends Enum<E>> implements Comparable<E> {
} }
public int compareTo(E other) { public int compareTo(E other) {
if (getDeclaringClass() != other.getDeclaringClass()) {
throw new ClassCastException();
}
return ordinal - other.ordinal; return ordinal - other.ordinal;
} }