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C# Multiple Interfaces


Multiple Interfaces

To implement multiple interfaces, separate them with a comma:

Example

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();
  }
}

Try it Yourself »