Need help with the threads concept in java

i need a good explanation for the threads concept in java.Explanation with an example would be better.

JosAH wrote:
BIJ001 wrote:
Java still can't process them in real time because of its garbage collector.So real-time java is not conceivable \qu.e.d
http://java.sun.com/javase/technologies/realtime/index.jsp
http://jcp.org/en/jsr/detail?id=282
Is that implementation ready yet? The first link talks about 'more real time'; that garbage collector really is a burden when it comes to the real ticks ...
kind regards,
JosSpoon!

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