using System;  

public class Animal{  

    public virtual void eat(){  

        Console.WriteLine("Eating...");  

    }  

}  

public class Dog: Animal  

{  

    public override void eat()  

    {  

        Console.WriteLine("Eating bread...");  

    }  

}  

public class TestOverriding  

{  

    public static void Main()  

    {  

        Dog d = new Dog();  

        d.eat();  

    }  

}