private static int capacity(final int[] data, final int capacity) {
		if (data == DEFAULT_EMPTY_ARRAY) {
			return max(DEFAULT_CAPACITY, capacity);
		}
		return capacity;
	}
Return the current elements as an int array.

@return the current elements as an int array
jenetics.ext/src/main/java/io/jenetics/ext/internal/util/IntList.java