How to Swap Two Number without using any Third Variable and Arithmetic Operator

Step 1: lets open the notepad and write the following code.

Code:

class swap
{
    public static void main(String arg[])
    {
        System.out.println("Before swapping");
        int a = 20;
        int b = 40;
        System.out.println("value of a:" + a);
        System.out.println("value of b:" + b);
        System.out.println("After swapping");
        a = a ^ b;
        b = a ^ b;
        a = a ^ b;
        System.out.println("value of a:" + a);
        System.out.println("value of b:" + b);
    }
}

Step 2: Name it as "sp.java" and save the file in any location. i saved at "C:/kiran/program".

step 3: open command prompt(press window +R and write cmd and hit ok).



Step 4: open command prompt.



step 5: Go to "C:/kiran/program" by using cmd.



Step 6: now, write the following code for cheking my java file is compile or not.
javac sp.java



my java file is compiled succesfully.

Step 7: write the following code in command prompt. press enter and see the output.

java demo

//demo is a class name which is written in my "hasrel.java" file.

output



Happy codding.