AWT Event Dispatch Thread AWT事件分派线程
Thread-safe event queue 线程安全的事件队列
Event and thread 事件及线程
Event Scheduler Thread States 事件调度器的线程状态
A better approach is to start a timer, and have timer poke the event thread every so often to go look at the staging area for updates.
更好的方法是启动计时器，并且使计时器不时地提醒事件线程去查看中间区域，以寻找更新。
AWT and Swing use this model, in which there is a GUI event thread, and all work that causes changes in the user interface must execute in that thread.
AWT和Swing就使用这个模型，在这个模型中有一个GUI事件线程，导致用户界面发生变化的所有工作都必须在该线程中执行。
How does the Event Thread know there are pending updates?
Event Thread如何知道存在未决的更新呢？
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