Swap two variables without create any third temp variable

            int a = 2;
            int b = 3;
           
            a = b + a;         // a is 5
            b = a - b;         // now b is 2
            a = a - b;         // now a is 3

            Console.Write("a = ");
            Console.WriteLine(a);
            Console.Write("b = ");
            Console.WriteLine(b);
            Console.ReadLine();

**************************LINKS******************************

I have created a new better blog:

https://hammadsiddiquiblog.wordpress.com/

My Youtube channel:

https://www.youtube.com/channel/UCo-MRxKf_MttmSN9WddYdbw/

**************************LINKS******************************