题目内容

下面关于泛型的说法不正确的是(D)注：具体指定时间，比如Listlist=newArrayList();就是在new一个ArrayList的时候确定了泛型的类型

A. 泛型的具体确定时间可以是在定义方法的时候
B. 泛型的具体确定时间可以是在创建对象的时候
C. 泛型的具体确定时间可以是在继承父类定义子类的时候
D. 泛型就是Object类型

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