Add some code comments
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1391783 13f79535-47bb-0310-9956-ffa450edef68
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@ -5741,7 +5741,7 @@ public class ArrayUtils {
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*/
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private static Object removeAll(Object array, int... indices) {
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int length = getLength(array);
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int diff = 0;
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int diff = 0; // number of distinct indexes, i.e. number of entries that will be removed
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if (isNotEmpty(indices)) {
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Arrays.sort(indices);
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@ -5762,14 +5762,15 @@ public class ArrayUtils {
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}
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Object result = Array.newInstance(array.getClass().getComponentType(), length - diff);
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if (diff < length) {
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int end = length;
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int dest = length - diff;
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int end = length; // index just after last copy
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int dest = length - diff; // number of entries so far not copied
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for (int i = indices.length - 1; i >= 0; i--) {
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int index = indices[i];
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if (end - index > 1) {
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if (end - index > 1) { // same as (cp > 0)
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int cp = end - index - 1;
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dest -= cp;
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System.arraycopy(array, index + 1, result, dest, cp);
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// Afer this copy, we still have room for dest items.
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}
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end = index;
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}
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