using System;
namespace ConsoleApplication16
{
public interface A
void myMethod1();
void myMethod2();
}
public interface B : A
void myMethod3();
public class Program1 : B
public void myMethod1()
Console.WriteLine("Implement method1");
public void myMethod2()
Console.WriteLine("Implement method2");
public void myMethod3()
Console.WriteLine("Implement method3");
public class Program
public static void Main(string[] args)
Program1 obj = new Program1();
obj.myMethod1();
obj.myMethod2();
obj.myMethod3();