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Swing Listeners and Threads
How do you listen? I end up writing a couple of the addListenerX(), removeListenerX(), fireEventX() patterns every day almost. There are a couple of ways around to implement this with an ArrayList or maybe a HashSet or the AWTEventMulticaster. Generaly I have ended up with one of the first two for ease of implementation. A couple days a go I got the dreaded ConcurrentModificationException which when traced down was caused buy a well known problem of trying to add/remove a listener from inside the fire event method. AWTEventMulticaster is one possible solution checkout Java World Article for an example...