public static class Program
//A simple C# program illustrates the use of comment line
public static void Main()
//Single line comment always starts with //
//It is used to leave some simple notes/remarks
/*Multiline Comments always starts with /* and ends with * /.
It is always used to provide a brief description about the logic
or about core of algorithm.
And Note: Comment will never be compiled by the compiler and it
is only for the use of programmers/coders.*/