import java.util.Arrays;
class ArraysComparing {
    public static void main(String...args) {
        int[] i1[] = {{1,2,3}, {0,0,0}};
        int[][] i2 = {{1,2,3}, {0,0,0,}};
        int[][] i3 = new int[2][3];
        System.arraycopy(i1, 0, i3, 0, i3.length);
        System.out.println(Arrays.equals(i1, i2));
        System.out.println(Arrays.equals(i1, i3));
        System.out.println(Arrays.deepEquals(i1, i2));
    }
}