Java Program - 04 - Write a Java program to swap two numbers without using temporary variable.

Java Program - 04 - Write a Java program to swap two numbers without using temporary variable.

 //Write a Java program to swap two numbers without using temporary variable. 

public class StudyViral_04 {
 public static void main(String[] args) {
 
  int x = 100;
        int y = 200;
        System.out.println("Output :: ");
        System.out.println("Before swap:");
        System.out.println("value of x :: "+x);
        System.out.println("value of y :: "+y);

        x = x+y;  // here x = 100+200 = 300
        y=x-y;    // here y = 300-200 = 100
        x=x-y;    // here x = 300-100 = 200 

        System.out.println("After swap:");
        System.out.println("value of x :: "+x);
        System.out.println("value of y :: "+y);
 }
   } 

Output :: 
Before swap:
value of x :: 100
value of y :: 200
After swap:
value of x :: 200
value of y :: 100