using System;

interface IFirstInterface 

{

  void myMethod(); // interface method

}

​

interface ISecondInterface 

{

  void myOtherMethod(); // interface method

}

​

// Implement multiple interfaces

class DemoClass : IFirstInterface, ISecondInterface 

{

  public void myMethod() 

  {

    Console.WriteLine("Some text..");

  }

  public void myOtherMethod() 

  {

    Console.WriteLine("Some other text...");

  }

}       

public class Program

{

    public static void Main()

    {

        //Console.WriteLine("Hello World");

        DemoClass myObj = new DemoClass();

        myObj.myMethod();

        myObj.myOtherMethod();

    }

}