As with properties, any attempt to call a private method from outside the containing class causes a fatal error.
与属性一样，尝试从包含类外部调用私有方法将导致致命错误。
The reality is that the main() method simply executes a private method, go(), on an instantiated AtomToRdf class.
实际情况是main()方法只是在一个实例化的AtomToRdf 类上执行了一个私有方法go()。
Note that the invoke() method is overridden to either take an Object instance, as in Listing 4, or a Class, in the case that the desired private method is also static.
请注意invoke()方法被覆盖成可以接受一个Object实例（如清单4 所示）或一个Class（这时期望的private 方法也是 static 的）。
A subtle but important difference between auth and list is that list is a closure, whereas auth is a private method. (Closures use an equals sign in the definition; methods use parentheses.)
auth和list之间微妙但重要的一点区别是list是一个闭包，而auth是一个私有方法(闭包在定义中使用等号；方法使用圆括号)。
The city list is retrieved from the NWS using a private method if the NWS is online and from a file if the NWS is not online, and the method caches state and city information to improve performance.
在NWS在线的情况下使用私有方法来从 NWS检索城市列表，在 NWS不在线的情况下从文件中检索城市列表，该方法把州和城市信息存在高速缓存中以提高性能。
The city list is retrieved from the NWS using a private method if the NWS is online and from a file if the NWS is not online, and the method caches state and city information to improve performance.
在NWS在线的情况下使用私有方法来从 NWS检索城市列表，在 NWS不在线的情况下从文件中检索城市列表，该方法把州和城市信息存在高速缓存中以提高性能。
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