Problem 2.13

 Question 2.13: Write a Java program to swap two variables.

Solution: 

package com.company;

import java.util.Scanner;

public class Lab2problem13 {

    public static void main(String[] args)

    {

        Scanner Obj = new Scanner(System.in);

        System.out.println("Enter the first value: ");

        int n =Obj.nextInt();

        System.out.println("Enter the Secend value: ");

        int m =Obj.nextInt();

        System.out.println("swap two variables: "+n+m);

        System.out.println("other two variable is: "+m+n);

    }

}