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don't null out array in ArrayList when size goes to zero

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This avoids thrashing in the case of a list which is frequently
emptied and refilled with a small number of elements.
This commit is contained in:
Joel Dice 2009-11-19 11:43:11 -07:00
parent c711ac5701
commit adcac443e4
1 changed files with 0 additions and 2 deletions
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2
classpath/java/util/ArrayList.java
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@ -38,8 +38,6 @@ public class ArrayList<T> extends AbstractList<T> {
private void shrink() { private void shrink() {
if (array.length / 2 >= MinimumCapacity && size <= array.length / 3) { if (array.length / 2 >= MinimumCapacity && size <= array.length / 3) {
resize(array.length / 2); resize(array.length / 2);
} else if (size == 0) {
resize(0);
} }
} }