Swap Two Number Without Third Variable - Java Program Example

Swapping without 3rd variable Code

package com.androidpro.in;









import java.util.*;



public class Main {





    public static void main(String args[])

    {

        int x, y;

        System.out.println("Enter x and y");

        Scanner in = new Scanner(System.in);

        x = in.nextInt();

        y = in.nextInt();

        System.out.println("Before Swapping\nx = "+x+"\ny = "+y);

        x = x + y;

        y = x - y;

        x = x - y;

        System.out.println("After Swapping\nx = "+x+"\ny = "+y);

    }







}

Output

Enter x and y
4
5
Before Swapping
x = 4
y = 5
After Swapping
x = 5
y = 4

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