static void Main(string[] args)
{
Soldier s = new Soldier();
Gun gun = new Gun();
s.Attack(gun);
Knife k = new Knife();
IFireArms knifeAttak = new KnifeToFireArmsAdapter(k);
s.Attack(knifeAttak);
Console.Read();
}
public KnifeToFireArmsAdapter(Knife k)
{
knife = k;
}