using System;

public class Program

{

    public static void Main()

    {       

        Program n = new Program();

         /* local variable definition */

         int a = 100;

​

         Console.WriteLine("Before method call, value of a : {0}", a);

​

         /* calling a function to get the value */

         n.getValue(out a);

​

         Console.WriteLine("After method call, value of a : {0}", a);

    }

    public void getValue(out int x )

      {

         int temp = 5;

         x = temp;

      }

}

​

public class BaseClass

    {

      public virtual void Print() 

      {

          Console.WriteLine("Base class print method");

      }

    }

​

public class DerivedClass : BaseClass

    {

      public new  void Print() 

      {

          Console.WriteLine("Child class print method");

      }

    }