Answers for "java Program that swaps two numbers using temporary or third variable"

swap two variables without temporary java

import java.*; 
  
class noTemp { 
  
    public static void main(String a[]) 
    { 
        int x = 10; 
        int y = 5; 
        x = x + y; 
        y = x - y; 
        x = x - y; 
        System.out.println("After swaping:"
                           + " x = " + x + ", y = " + y); 
    } 
}

swap two numbers java

int a = 5;
int b = 6;

int temp = a;
a = b;
b = temp;

// now a is 6 and b is 5.