Class implementing Interface

using System;
using System.Collections.Generic;
using System.Text;

namespace OppTest2
{
interface IA
{
void x();
void y();
}

class IAClass : IA
{
public void x()
{
Console.Out.Write("test x");
}
public void y()
{
Console.Out.Write("test y");
}
}
class Program
{
static void Main(string[] args)
{
IAClass m = new IAClass();
m.x();
m.y();
}
}
}