static void Main(string[] args)
{
Character aKing = new King();
aKing.whoAreYou();
aKing.fight();
Character aQueen = new Queen();
aQueen.whoAreYou();
aQueen.fight();
Character anArcher = new Archer();
anArcher.whoAreYou();
anArcher.fight();
Character aKnight = new Knight();
aKnight.whoAreYou();
aKnight.fight();
aKnight.setWeapon(new KnifeBehavior());
aKnight.fight();
}