Java怎么理解_第4页-阿里云

java包访问控制权限和公有静态成员变量该怎么理解?

《thinking in java》中有这么一段话：正如前面所提到的，如果没能为类访问权限指定一个访问修饰符，它就会缺省得到包访问权限。这意味着该类的对象可以由包内任何其他类来创建，但包外则是不行的。（一定要记住，相同目录下的所有不具有明确package声明的文件，都被视作是该目录下缺省包的一部分。...

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更新时间 2022-11-25 16:06:45

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