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View Code? Open in Web Editor NEW常见Java、Android问题及解答
常见Java、Android问题及解答
做的不错,希望你能写完整
extends T 表示包括T在内的任何T的子类 上界通配符
super T 表示包括T在内的任何T的父类 下界通配符
描述有问题,以下是个人见解
父类的静态方法不能被重写也不能被继承,但是子类可以再次声明,这会造成父类的静态方法被隐藏
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