J.17. Multithreading with GUI
Swing applications present a unique set of challenges for multithreaded programming. All Swing applications have an event dispatch thread to handle interactions with the GUI components. Typical interactions include updating GUI components or processing user actions such as mouse clicks. All tasks that require interaction with an application’s GUI are placed in an event queue and are executed sequentially by the event dispatch thread.
Swing GUI components are not thread safe—they cannot be manipulated by multiple threads without the risk of incorrect results. Thread safety in GUI applications is achieved not by synchronizing thread actions, but by ensuring that Swing components are accessed from the event dispatch ...
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