Java で整数配列を比較する方法: 単純な等価性を超えて?

<code class="java">public static void compareArrays(int[] array1, int[] array2) {
    if (array1 == null || array2 == null) {
        throw new IllegalArgumentException("Arrays cannot be null.");
    }
    if (array1.length != array2.length) {
        System.out.println("Arrays have different lengths.");
    } else {
        for (int i = 0; i < array1.length; i++) {
            if (array1[i] != array2[i]) {
                System.out.println("Arrays have different elements at index " + i);
                return;
            }
        }
        System.out.println("Arrays are equal.");
    }
}</code>