命名类的访问权限public、protected、friendly,private 这四个的权限,
作用域: | 当前(父,超)类: | 同一Package: | 派生(子)类: | 其他Package: |
public | √ | √ | √ | √ |
protected | √ | √ | √ | x |
friendly | √ | √ | x | x |
private | √ | x | x | x |
命名类的访问权限public、protected、friendly,private 这四个的权限,
作用域: | 当前(父,超)类: | 同一Package: | 派生(子)类: | 其他Package: |
public | √ | √ | √ | √ |
protected | √ | √ | √ | x |
friendly | √ | √ | x | x |
private | √ | x | x | x |