Methods/Functions

Question

What does the console.writeline means un a function and nethod. How does the return key word works in a function.

Abhay Shanker · Answer

console.writeline - Writes the specified data followed by the current line terminator to the standard output stream. wherever it has been used. For details check below urls https://msdn.microsoft.com/en-us/library/586y06yf(v=vs.110).aspx https://msdn.microsoft.com/en-us/library/system.console.writeline(v=vs.110).aspx https://msdn.microsoft.com/en-us/library/swx4tc5e(v=vs.110).aspx return in a function. The return statement terminates execution of the method in which it appears and returns control to the calling method. It can also return an optional value. If the method is a void type the return statement can be omitted. class ReturnTest { static double CalculateArea( int r) { double area = r * r * Math.PI; return area; } static void Main() { int radius = 5; double result = CalculateArea(radius); Console.WriteLine( The area is {0:0.00}  result); // Keep the console open in debug mode. Console.WriteLine( Press any key to exit. ); Console.ReadKey(); } } // Output: The area is 78.54