q6e.java

public class q6e{
        public static void main(String[] args){
        //method 01
	int num1 = 20;
	int num2 = 40;
	System.out.println("Before Swap");
	System.out.println("Number1 is " + num1);
        System.out.println("Number2 is " + num2);
        System.out.println("After Swap");
        int num = num1;
        num1=num2;
        num2=num;
	System.out.println("Number1 is " + num1);
        System.out.println("Number2 is " + num2);
        //method 02
        using + and - can do another way
        
        }
        
        
}