子类在原有父类接口的基础上，用适合于自己要求的实现去置换父类中的相应实现称为（ ）。
- A.封装
- B.继承
- C.覆盖
- D.多态
正确答案及解析
正确答案
解析
继承是父类和子类之间共享数据和方法的机制。
覆盖是子类的方法覆盖了基类的方法，以实现不同的功能，或者对父类的功能进行扩充。
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