February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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Section 23.9 (Advanced) Producer/Consumer Relationship: The Lock and Condition Interfaces
• The Lock and Condition interfaces (p. 1002) give programmers more precise control over thread synchronization, but are more complicated to use.
• Any object can contain a reference to an object that implements the Lock interface (of package java.util.concurrent.locks). A thread calls a Lock’s lock method (p. 1002) to acquire the lock. Once a Lock has been obtained by one thread, the Lock will not allow another thread to obtain it until the first thread releases it (by calling the Lock’s unlock method; p. 1002).
• If several threads are trying to call method lock on the same Lock object at the same time, only one thread can obtain the lock—the others are ...
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