派生类中基类成员属性变化
| 类成员属性 | public继承 | protected继承 | private继承 |
| public | public | protected | private |
| protected | protected | private | private |
| private | private | private | private |
访问控制权限
| 类型 | 它所在类的成员函数 | 它所在类的友元函数 | 它所在类的子类 | 它所在类定义的对象 |
| Public | Yes | Yes | Yes | Yes |
| Protected | Yes | Yes | Yes | No |
| private | Yes | Yes | No | No |
