using System; namespace MyApplication { 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..."); } } class Program { static void Main(string[] args) { DemoClass myObj = new DemoClass(); myObj.myMethod(); myObj.myOtherMethod(); } } }