Its time for class.

上课的时间到了。

While I won't spend much time on the "Authentication" part of JAAS here (see Resources for further references on the topic), I will be focusing on one of its core components: the Subject class.

虽然在这里我不会在JAAS的“认证”方面花很多时间(有关这个主题的更多参考请参阅参考资料)，但是我将重点介绍它的一个核心组件：subject类。

Abstract: The traditional family business is lower-class family enterprise, but it has its own unique scope will exist for a long time.

摘要：传统家族企业是较低级的家族企业形式，但是它有其独特的适用范围，必将长期存在。

However, it is guaranteed to be loaded and to have its fields initialized and its static constructor called before the class is referenced for the first time in your program.

然而，类别却能保证一定会载入，并会在您的程序第一次参考此类别前，先让其中的栏位初始化，而其中的静态建构函式也受到呼叫。