Help!Can someone tell me the detail about Event Dispatch thread!

I want to know the whole process about swing event,for example,the detail about
event dispatch thread,the relation about event dispatch thread with event queue,and how the JVM painting the screen etc.
Thanks!

Read the tutorial titled "Creating a GUI Using JFC/Swing" found on this page":
http://java.sun.com/docs/books/tutorial/
Take a look at the table of contents, there is a section on threads which discusses the event thread and there are sections on painting. Actually take the time to read the whole tutorial.

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