Natour, O. in class

package twelvetwo;

import java.util.Scanner;

public class TwelveTwo {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        int[] x = new int[] { 1, 2, 3 };
        int[] y;

        y = x; // not creating another array, copying a pointer x>>> [][][] <<<<
                // y
        y[1] = 313;
        System.out.println(x[1]); // 313 gets printed out

        x = new int[] { 2, 4 };
        y = x;

        y = new int[] { 2, 4 };
        y = x;
        y = new int[] { 2, 4 };

        int[] k = new int[] { 5, 7, 8, 9, 2 };
        int[] z = new int[] { 5, 7, 8, 9, 1 };

        if (ifequal(k, z))
            System.out.print("Equal arrays");
        else
            System.out.print("not Equal arrays");

    }

    public static boolean ifequal(int[] x, int[] y) {

        if (x.length != y.length) {
            return false;
        } else {
            for (int i = 0; i < x.length; i++) {
                if (x[i] != y[i])
                    return false;

            }
            return true;

        }

    }

}