By explicit type casting of method

interface IAnimal{ string Walk();} interface Ihuman{ string Walk();} public class Iimplement: IAnimal,Ihuman { public string IAnimal.Walk(){return "Snaks crawling..."} public string Ihuman.Walk(){return "men walking..."} }

public interface ITalk {string Shout(); }public class Dog : ITalk {public string Shout(){return "Woof, woof woof woof woof";} } public class Cat : ITalk {public string Shout(){return "Mew Mew Mew";} } public class Parrot : ITalk {public string Shout(){return "Sqwark! Sqwark! Sqwark!";} } public class Program {static void Main(string[] args){// Writes Woof, WoofITalk pet = new Dog();Console.WriteLine(pet .Speak()); // Now writes MeowITalk pet = new Cat();Console.WriteLine(pet .Speak());// Now writes Sqwark etcITalk pet = new Parrot();Console.WriteLine(pet .Speak());} }