权限修饰符有哪些?
public private protected 缺省 (可以用来修饰属性、方法)
访问权限表:
修饰符 | 类内部 | 同一个包 | 子类 | 任何地方 |
private | ✔ | |||
(缺省) | ✔ | ✔ | ||
protected | ✔ | ✔ | ✔ | |
public | ✔ | ✔ | ✔ | ✔ |
注:
1.权限从大到小排列:public > protected > 缺省 > private
2.修饰类(class)的权限只有:public 缺省
权限修饰符有哪些?
public private protected 缺省 (可以用来修饰属性、方法)
访问权限表:
修饰符 | 类内部 | 同一个包 | 子类 | 任何地方 |
private | ✔ | |||
(缺省) | ✔ | ✔ | ||
protected | ✔ | ✔ | ✔ | |
public | ✔ | ✔ | ✔ | ✔ |
注:
1.权限从大到小排列:public > protected > 缺省 > private
2.修饰类(class)的权限只有:public 缺省