/** * Ensures that {@code index} specifies a valid <i>position</i> in an array, list or string of * size {@code size}. A position index may range from zero to {@code size}, inclusive. * * @param index a user-supplied index identifying a position in an array, list or string * @param size the size of that array, list or string * @return the value of {@code index} * @throws IndexOutOfBoundsException if {@code index} is negative or is greater than {@code size} * @throws IllegalArgumentException if {@code size} is negative */ public static int checkPositionIndex(int index, int size) { return checkPositionIndex(index, size, "index"); }