public override void Bread() { if (sup == null) sup = new Supermarket(); Console.WriteLine("我给你买面包,可以。但"); this.Money(); Console.WriteLine("我去给你买面包了"); sup.Bread(); }
public override void Bread() { if (sup == null) { sup = new Supermarket(); } Console.WriteLine("我给你买面包,可以。但"); this.Money(); Console.WriteLine("我去给你买面包了"); sup.Bread(); }