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摘要： interfaceIshirou{voidHunt();}interfaceIshicao{voidEatGrass();}abstractclassAnimal{publicabstractvoidEat();}classCat:Animal,Ishirou{publicoverridevoidEat(){Console.WriteLine("猫吃鱼");}publicvoidHunt(){Console.WriteLine("猫捉老鼠");}}classTiger:Animal,Ishirou{publicoverridevoidEat(){Cons 阅读全文

摘要： //继承多态virtual虚方法override重写//抽向类(抽象方法)接口消息MessageSMSEmail...abstractclassMessage{publicstringsender;publicstringreceiver;publicstringcontent;publicDateTimesendtime;//publicvirtualvoidSend(){}publicabstractvoidSend();//抽象方法}classQQMsg:Message{publicoverridevoidSend(){}}classSMS:Message{publicoverridev 阅读全文