【判断题】当基于已有类创建子类的时候,已有类称为父类或基类,这个新类称为子类或派生类。When subclasses are created based on existing classes, existing classes are called parent classes or base classes, and this new class is called subclasses or deri...
【判断题】当基于已有类创建子类的时候,已有类称为子类或派生类,这个新类称为父类或基类。When subclasses are created based on existing classes, existing classes are called subclasses or derived classes, and this new class is called parent or base clas...