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Tag Archives: Locks

Locks In Java

A lock is a thread synchronization mechanism like synchronized blocks. Locks are implemented internally using synchronized blocks. Therefore, we can use locks instead of synchronized keywords in Java. A Lock is more flexible and more sophisticated than a synchronized block. From Java 5 version, JDK provides several implementations of locks, like ReentrantReadWriteLock, ReentrantLock, and StampedLock, etc. 1. Differences between Synchronization ...

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Java Lock Implementations

We all use 3rd party libraries as a normal part of development. Generally, we have no control over their internals. The libraries provided with the JDK are a typical example. Many of these libraries employ locks to manage contention. JDK locks come with two implementations. One uses atomic CAS style instructions to manage the claim process. CAS instructions tend to ...

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