Timer Properties: coalesce : Swing Timer « Swing « Java Tutorial

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3. Swing Timer

The coalesce property allows for a busy system to throw notifications that haven't happened yet when a new event needs to be fired.

This means if a timer runs every 500 milliseconds, but its system is bogged down and doesn't respond for a whole 2 seconds, the timer needs to send only one message, rather than also sending the missing ones. If the setting were false, four messages would still need to be sent.

By default, the coalesce value is true.

14.114.Swing Timer
	14.114.1.	Swing Timers
	14.114.2.	Timer Properties: coalesce
	14.114.3.	Timer Class
	14.114.4.	To turn on log messages
	14.114.5.	Timer based animation
	14.114.6.	A rotating and scaling rectangle.
	14.114.7.	Font size animation
	14.114.8.	Fade out an image: image gradually get more transparent until it is completely invisible.
	14.114.9.	Swing Timer action