Question

Write a program in Java to input two numbers. Display the numbers after swapping them without using the third variable.​

Answer 1

public static void main(String[] args) {  

      int x, y, t;// x and y are to swap  

      Scanner sc = new Scanner(System.in);  

      System.out.println("Enter the value of X and Y");  

      x = sc.nextInt();  

      y = sc.nextInt();  

      System.out.println("before swapping numbers: "+x +"  "+ y);  

      /*swapping */  

     x,y = y,x;

      System.out.println("After swapping: "+x +"   " + y);  

      System.out.println( );  

   }    

}