June 2014
Intermediate to advanced
300 pages
7h 12m
English
Content preview from Seven Concurrency Models in Seven WeeksBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Day 2: Beyond Intrinsic Locks
Day 1 covered Java’s Thread class and the intrinsic locks built into every Java object. For a long time this was pretty much all the support that Java provided for concurrent programming. Java 5 changed all that with the introduction of java.util.concurrent. Today we’ll look at the enhanced locking mechanisms it provides.
Intrinsic locks are convenient but limited.
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There is no way to interrupt a thread that’s blocked as a result of trying to acquire an intrinsic lock.
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There is no way to time out while trying to acquire an intrinsic lock.
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There’s exactly one way to acquire an intrinsic lock: a synchronized block.
synchronized(object) { use shared resources }This means that lock acquisition and release ...
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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.