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 void Main(string[] args)

  {

    DemoClass myObj = new DemoClass();

    myObj.myMethod();

    myObj.myOtherMethod();

  }

}

​