A child (or derived) class can have one and only one parent (or base) class.

一个子(或继承的)类只可以有一个父类(基类)。

youdao

Can I pull more methods from the child into the generic parent class?

是否还能把更多的方法从子类提升到通用的父类中？

youdao

Can I pull more methods from the child into the generic parent class?

是否还能把更多的方法从子类提升到通用的父类中？

youdao