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daemon thread

ramesh kumar
Greenhorn

Joined: Aug 15, 2006
Posts: 25
daemon thread has to terminate immediatly after parent thread terminate,but in my program it is taking some time why?
Henry Wong
author
Sheriff

Joined: Sep 28, 2004
Posts: 18116
    
  39

Originally posted by ramesh kumar:
daemon thread has to terminate immediatly after parent thread terminate,but in my program it is taking some time why?


Unfortunately, your premise is incorrect. Daemon threads do not terminate when the parent thread terminates.

Daemon threads do not prevent the JVM from exiting, meaning that if only daemon threads are running the JVM may exit. If even a single user thread is running, the JVM will continue to run, along with the Daemon threads. (And even when exiting, I don't recall any mention of "immediately")

Henry
[ August 18, 2006: Message edited by: Henry Wong ]

Books: Java Threads, 3rd Edition, Jini in a Nutshell, and Java Gems (contributor)
 
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