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C# method using 0007, there is a friend in need of reference.

FindMax number method
``using System;namespace CalculatorApplication{class NumberManipulator{public, int, FindMax (int, num1, int, num2){//local variable declarationint result;If (num1 > num2){return num1;}elsereturn num2;return result;}static void Main (string[] args){//local variable declarationint a = 100;int B = 200;int ret;NumberManipulator n = new, NumberManipulator ();RET = n.FindMax (a, B);Console.WriteLine (, Max, value, is, {0}, , RET);Console.ReadLine ();}}}``

output:

Max value is: 200

Recursive Method Call
``using System;namespace CalculatorApplication{class NumberManipulator{public int factorial (int Num){//local variable declarationint result;If (num==1){return 1;}elseResult= factorial (num-1) *num;return result;}static void Main (string[] args){NumberManipulator n = new, NumberManipulator ();Console.WriteLine (, Factorial, of, 6, is, {0}, , n.factorial (6));Console.ReadLine ();}}}``

Factorial of 6 is: 720

``using System;namespace CalculatorApplication{class NullablesAtShow{static void Main (string[] args){int = num1 = null;double = num2 = 24;double = Num3 = new double ();double = num4 = 3.1415;bool = boolval = new bool?;// display the valuesConsole.WriteLine (, Nullables, at, Show:, {0}, {1}, {2}, {3}, , num1, num4, num2, Num3);Console.WriteLine (, A, Nullable, Boolean, value:, {0}, , boolval);Console.ReadLine ();}}}``