It cannot be used to separate the class ID from the method ID.

它不能用于分隔类ID与方法ID。

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Finally, we need to change the methods that access userName from the UserBean instance to get the user ID from the User object, using the getuser ID method.

最后，我们需要把从 UserBean 实例访问 userName 的方法改成从 User 对象获取用户标识（使用 getuserID 方法）。

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This method retrieves each follower's name and ID, and then uses the ID to make a second request, this time through the getPosts() method, to retrieve the follower's three most recent posts.

该方法检索每个 follower 的姓名和 ID，然后使用此 ID 发出第二个请求，此次通过 getPosts() 方法来检索 follower 的最近三个帖子。

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