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// Program that shows an example of using a recursive method call.
// A recursive method call is a method that calls itself inside it's own method.
 
class RecursiveMethodExample
{
  public int factorial(int num)
  {
    int result;
    if (num == 1)
    {
      return 1;
    }
    else
    {
      result = factorial(num - 1) * num;  // recursive method call here
      return result;
    }
  }

  static void Main(string[] args)
  {
    RecursiveMethodExample n = new RecursiveMethodExample();
    // calling the factorial method
    Console.WriteLine("Factorial of 1 is : {0}", n.factorial(1));
    Console.WriteLine("Factorial of 2 is : {0}", n.factorial(2));
    Console.WriteLine("Factorial of 3 is : {0}", n.factorial(3));
    Console.WriteLine("Factorial of 4 is : {0}", n.factorial(4));
    Console.WriteLine("Factorial of 5 is : {0}", n.factorial(5));
    Console.WriteLine("Factorial of 6 is : {0}", n.factorial(6));
    Console.WriteLine("Factorial of 7 is : {0}", n.factorial(7));
    Console.WriteLine("Factorial of 8 is : {0}", n.factorial(8));
    Console.ReadLine();
  }
}