June 2004
Intermediate to advanced
848 pages
21h 28m
English
Content preview from Just Java™ 2
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Thread Local Storage
Thread local storage is a term for data that is accessible to anything that can access the thread, but that can hold a value that is unique in each thread. A common use for thread local storage is to give a different identifier to each of several newly constructed threads (as in, “if I am thread 5,...”) or tells them what they need to work on. ThreadLocal objects are typically private static variables used to associate some state with a thread (e.g., a user ID, session ID, or transaction ID).
Thread local storage was introduced with JDK 1.2 and allows each thread to have its own independently initialized copy of a variable. It's easy enough to give threads their own variables. The bit that's tricky is in getting them ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.