From 393fa5df9262c339e004e061809c73d7637a909b Mon Sep 17 00:00:00 2001
From: Thomas Neidhart <tn@apache.org>
Date: Tue, 26 Nov 2013 21:11:29 +0000
Subject: [PATCH] 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
---
 .../commons/collections4/iterators/CollatingIterator.java   | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main/java/org/apache/commons/collections4/iterators/CollatingIterator.java b/src/main/java/org/apache/commons/collections4/iterators/CollatingIterator.java
index 6805f6575..9ea38fc43 100644
--- a/src/main/java/org/apache/commons/collections4/iterators/CollatingIterator.java
+++ b/src/main/java/org/apache/commons/collections4/iterators/CollatingIterator.java
@@ -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;