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Use interface instead of concrete class. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1545844 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Thomas Neidhart 2013-11-26 21:11:29 +00:00
parent d0ca1f6e1b
commit 393fa5df92
1 changed files with 3 additions and 3 deletions
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6
src/main/java/org/apache/commons/collections4/iterators/CollatingIterator.java
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@ -44,10 +44,10 @@ public class CollatingIterator<E> implements Iterator<E> {
private Comparator<? super E> comparator = null;
/** The list of {@link Iterator}s to evaluate. */
private ArrayList<Iterator<? extends E>> iterators = null;
private List<Iterator<? extends E>> iterators = null;
/** {@link Iterator#next Next} objects peeked from each iterator. */
private ArrayList<E> values = null;
private List<E> values = null;
/** Whether or not each {@link #values} element has been set. */
private BitSet valueSet = null;
@ -392,7 +392,7 @@ public class CollatingIterator<E> implements Iterator<E> {
* Returns <code>true</code> iff any {@link Iterator} in the given list has
* a next value.
*/
private boolean anyHasNext(final ArrayList<Iterator<? extends E>> iters) {
private boolean anyHasNext(final List<Iterator<? extends E>> iters) {
for (final Iterator<? extends E> iterator : iters) {
if (iterator.hasNext()) {
return true;