Event Dispatching Thread

Event Dispatching Thread

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The event dispatching thread is a background thread used in Java to process events from the Abstract Window Toolkit graphical user interface event queue. These events are primarily update events that cause user interface components to redraw themselves, or input events from input devices such as the mouse or keyboard. The AWT uses a single-threaded painting model in which all screen updates must be performed from a single thread. The event dispatching thread is the only valid thread to update the visual state of visible user interface components. Updating visible components from other threads is the source of many common bugs in Java programs that use Swing. Most AWT and Swing object methods are not thread safe: invoking them from multiple threads risks thread interference or memory consistency errors. To avoid these problems, Swing standards states that all user interface components should be created and accessed only from the AWT event dispatch thread.show more

Product details

  • Paperback | 80 pages
  • 152 x 229 x 5mm | 127g
  • Duct Publishing
  • United States
  • English
  • 6136594978
  • 9786136594972