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Lesson 7 - Multithreading in Java - Mutex

In the previous lesson, Multithreading in Java - Semaphore, we showed the first of the advanced synchronization primitives - Semaphore. Today, we're going to look at another of these primitives: Mutex.


Mutex stands for MUTual EXclusion. It's another synchronization means for this purpose. It consumes less memory than Semaphore and doesn't need the Semaphore's ability to count.

In other words: We always use Mutex where only one thread can enter the critical section. Does that sound familiar? Yes, the same behavior is also achieved with the


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Article description

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In this tutorial, we'll introduce advanced techniques for parallel programming in Java. We'll describe Mutex.

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Article has been written for you by Petr Štechmüller