private static int[] init(final int[] indexes) {
		for (int i = 0; i < indexes.length; ++i) {
			indexes[i] = i;
		}
		return indexes;
	}
Initializes the given {@code indexes} array.

@param indexes the index array to initialize
@return the initialized indexes array
@throws NullPointerException if the given {@code indexes} array is
        {@code null}
jenetics/src/main/java/io/jenetics/util/ProxySorter.java