using System;
public class Animal
{
public void eat()
Console.WriteLine("eating...");
}
public class Dog : Animal
public void bark()
Console.WriteLine("barking...");
public class Cat : Animal
public void meow()
Console.WriteLine("meowing...");
public class TestInheritance3
public static void Main(string[] args)
Cat c = new Cat();
c.meow();
c.eat();
Dog dg = new Dog();
dg.bark();