[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fM7j69fE6-GsLiGQWCVKaZ_-1HgA2D6evTXvGmNdxim8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-10-27 15:07:47",224913306,[8,9,10,11],"子类可以继承父类的所有方法和属性,包括私有成员","多态只能通过接口实现,不能通过类的继承实现","在运行时,Java虚拟机会根据对象的实际类型调用相应的方法","方法重载是运行时多态的一种体现",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"3bedb491489412d6a901cda16180046d","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03caf8ee1ca5d3cf84d91ca5f08b2517.png","JAVA语言程序设计","94f6bb87b0704f67bdb7e49e1045aa2c","继承与多态测试","在Java中,关于继承与多态的描述,下列哪一项是正确的",[21,32,41,44,53,62,67,72,77,83],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],224913303,[25,26,27,28],"覆盖的方法必须具有相同的方法名、参数列表和返回类型","覆盖的方法可以比父类方法的访问权限更小","覆盖的方法不能抛出比父类方法更多的异常","覆盖的方法必须是非静态的","在Java中,关于方法覆盖(Override)的描述,下列哪一项是错误的","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],224913304,[36,37,38,39],"父类引用指向子类对象,并调用被覆盖的方法","同一个方法名在不同的类中有不同的实现","调用静态方法时,使用子类对象作为接收者","接口引用指向实现类的对象,并调用接口定义的方法","在Java中,以下哪种情况不会导致多态行为",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],224913308,[48,49,50,51],"final修饰的类可以被继承","final修饰的方法可以被覆盖","final修饰的变量可以重新赋值","final修饰的变量如果是基本类型,则其值不可变;如果是引用类型,则其引用不可变,但对象内容可以修改","在Java中,关于final关键字的使用,下列哪一项是正确的",{"answer":54,"createTime":55,"id":56,"options":57,"question":60,"source":30,"type":61},[],"2025-10-27 15:11:25",224913807,[58,59],"正确","错误","在Java中,方法重载是运行时多态的一种体现",3,{"answer":63,"createTime":55,"id":64,"options":65,"question":66,"source":30,"type":61},[],224913808,[58,59],"在Java中,final修饰的类可以被继承",{"answer":68,"createTime":55,"id":69,"options":70,"question":71,"source":30,"type":61},[],224913809,[58,59],"在Java中,子类可以通过super关键字调用父类的构造方法",{"answer":73,"createTime":55,"id":74,"options":75,"question":76,"source":30,"type":61},[],224913810,[58,59],"在Java中,多态可以通过接口实现",{"answer":78,"createTime":55,"id":79,"options":80,"question":81,"source":30,"type":82},[],224913811,[],"在Java中,多态分为______多态和______多态",2,{"answer":84,"createTime":55,"id":85,"options":86,"question":87,"source":30,"type":82},[],224913812,[],"在Java中,方法覆盖要求方法名、参数列表和______必须相同"]