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Fix an off-by-1 error in the remove method.

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The change to only grow the array when the capacity has been reached
exposed a bug in the remove method when shifting the array elements.
This commit is contained in:
Dain
2012-07-06 13:53:18 -06:00
committed by Joel Dice
parent 8706b6ad4a
commit 26209efac2
2 changed files with 23 additions and 3 deletions
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7
classpath/java/util/ArrayList.java
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@ -131,13 +131,14 @@ public class ArrayList<T> extends AbstractList<T> implements java.io.Serializabl
public T remove(int index) {
T v = get(index);
if (index == size - 1) {
int newSize = size - 1;
if (index == newSize) {
array[index] = null;
} else {
System.arraycopy(array, index + 1, array, index, size - index);
System.arraycopy(array, index + 1, array, index, newSize - index);
}
int newSize = size - 1;
shrink(newSize);
size = newSize;