December 2015
Intermediate to advanced
292 pages
6h 16m
English
Content preview from Learning Network Programming with Java
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Thread pools
Thread pools are useful when the number of threads that are created need to be limited. Using a pool not only controls how many threads are created, but it can also eliminate the need to create and destroy threads repeatedly, an often expensive operation.
The following figure depicts a thread pool. Requests are assigned to threads in the pool. Some thread pools will create new threads if there are no unused threads available. Others will restrict the number of threads available. This may result in some requests being blocked.
We will demonstrate thread pools using the ThreadPoolExecutor class. This class also provides methods that deliver ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.