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[COLLECTIONS-312] use known collection size when creating arrays / lists. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1443538 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Thomas Neidhart 2013-02-07 15:12:21 +00:00
parent 7fbace5ebc
commit 8411797028
1 changed files with 6 additions and 6 deletions
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12
src/main/java/org/apache/commons/collections/map/AbstractReferenceMap.java
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@ -514,13 +514,13 @@ public abstract class AbstractReferenceMap<K, V> extends AbstractHashedMap<K, V>
@Override
public Object[] toArray() {
return toArray(new Object[0]);
return toArray(new Object[size()]);
}
@Override
public <T> T[] toArray(final T[] arr) {
// special implementation to handle disappearing entries
final ArrayList<Map.Entry<K, V>> list = new ArrayList<Map.Entry<K, V>>();
final ArrayList<Map.Entry<K, V>> list = new ArrayList<Map.Entry<K, V>>(size());
for (final Map.Entry<K, V> entry : this) {
list.add(new DefaultMapEntry<K, V>(entry));
}
@ -540,13 +540,13 @@ public abstract class AbstractReferenceMap<K, V> extends AbstractHashedMap<K, V>
@Override
public Object[] toArray() {
return toArray(new Object[0]);
return toArray(new Object[size()]);
}
@Override
public <T> T[] toArray(final T[] arr) {
// special implementation to handle disappearing keys
final List<K> list = new ArrayList<K>(parent.size());
final List<K> list = new ArrayList<K>(size());
for (final K key : this) {
list.add(key);
}
@ -566,13 +566,13 @@ public abstract class AbstractReferenceMap<K, V> extends AbstractHashedMap<K, V>
@Override
public Object[] toArray() {
return toArray(new Object[0]);
return toArray(new Object[size()]);
}
@Override
public <T> T[] toArray(final T[] arr) {
// special implementation to handle disappearing values
final List<V> list = new ArrayList<V>(parent.size());
final List<V> list = new ArrayList<V>(size());
for (final V value : this) {
list.add(value);
}