c++ 派生类的对象对它的基类成员中哪一个是可以访问的?

2025-03-09 15:21:38
推荐回答(5个)
回答1:

所有的继承方式的访问性:
继承方式 基类成员特性 派生类成员特性 派生类对象访问
公有继承 public public 可直接访问
protected protected 不可直接访问
private 不可访问 不可直接访问
私有继承 public private 不可直接访问
protected private 不可直接访问
private 不可访问 不可直接访问
保护继承 public protected 不可直接访问
protected protected 不可直接访问
private 不可访问 不可直接访问

回答2:

公有继承的公有成员
公有继承的保护成员
私有继承的公有成员
从两个角度看问题
1.从派生类的使用者来讲,
所有的基类方法和成员都是private的,不可访问
2.从派生类内部来讲,
除了基类的private的方法和成员,其他的都可访问

回答3:

公有继承的公有成员被继承后继承类公有成员,公有继承的保护成员继承类保护成员,私有继承的公有成员为继承类私有成员,这些都是可以访问的,唯独公有继承的私有成员不可访问。
建议看看谭浩强《C++程序设计》第253页以后的。

回答4:

1,3,4
不管哪种继承方式,都只是私有成员不能访问

回答5:

1
3
4
第4个不敢确定

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