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What is a daemon thread?
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Sudipto Ghosh
Greenhorn
Joined: Jan 07, 2005
Posts: 11
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What is a daemon thread? When should I use setDaemon() and why?
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Peter Chase
Ranch Hand
Joined: Oct 30, 2001
Posts: 1970
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Most of what you would want to know is in the API for java.lang.Thread and it's a shame that you don't read them.
A good example of an application of a daemon thread would be some type of background clean-up operation. If clean-up is only operating on the Java heap, then there is no need to delay JVM shut-down while a clean-up operation completes. If you put the clean-up operation in a Daemon thread, it won't delay shut-down.
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Betty Rubble? Well, I would go with Betty... but I'd be thinking of Wilma.<br /> <br />#:^P
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Stan James
(instanceof Sidekick)
Ranch Hand
Joined: Jan 29, 2003
Posts: 8791
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Peter is right - learn to love the JavaDoc! He also gave a much nicer explanation than the JavaDoc which has some legalese double-negative convoluted wording about daemon. I always have to read it about 5 times to parse it.
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A good question is never answered. It is not a bolt to be tightened into place but a seed to be planted and to bear more seed toward the hope of greening the landscape of the idea. John Ciardi
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subject: What is a daemon thread?
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