Question

write a program in Java to interchange the value of a and b with out using 3rd variable .. the program must be user friendly..
9th class icse
the best answer will b marked as brainliest

Answer 1

import java.util.Scanner;

class Brainly
{
public static void main(String[] args)
{
int a, b;

Scanner demo = new Scanner(System.in);

System.out.println("Enter the 1st value");

a = demo.nextInt();

System.out.println("Enter the 2nd value");

b = demo.nextInt();

System.out.println(" ");

System.out.println("The result after swapping is:");

System.out.println(" ");

a = a + b;

b = a - b;

a = a - b;

System.out.println("The value of a is : "+a);

System.out.println("The value of b is : "+b);

}


Output:

Enter the value of a:
10

Enter the value of b:
20


The result after swapping is:

The value of a : 20

The value of b : 10.




Hope this helps!