static void Main(string[] args)
{
First first = new First();
first.FirstMethod();
Second second = new Second();
second.SecondMethod();
FirstAndSecond firstandsecond = new FirstAndSecond();
firstandsecond.FirstMethod();
firstandsecond.SecondMethod();
FirstAndSecondClass firstandsecondclass = new FirstAndSecondClass();
firstandsecondclass.FirstMethod();
Console.ReadKey();
}
public void SecondMethod()
{
second.SecondMethod();
} //how about comment this line?
