错误日志：

　　这个错误是因为我创建的一个类，内中又创建了一个内部类，为什么呢在new内部类的时候出现错误呢，因为类中方法(函数)是在是在public static void main(String [] args)方法写的，

　　而所以他是个静态(static)的运行函数，大家都知道静态方法无法调用非静态的一切东西，所以说我们也需要把需要调用的类变成静态的才行，加个static关键字。

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