What Is Java Semaphore
A Semaphore in Java Controls Access to a Shared Resource Through a Counter. It Is a Thread Synchronization Construct Used to Send Signals Between Threads to...
A Semaphore in Java controls access to a shared resource through a counter. It is a thread synchronization construct used to send signals between threads to avoid missed signals or guard a critical section.
What does a semaphore do?
A semaphore is an integer variable, shared among multiple processes. The main aim of using a semaphore is process synchronization and access control for a common resource in a concurrent environment. The initial value of a semaphore depends on the problem at hand.
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What are the methods used by semaphore?
Modifier and TypeMethod and Descriptionvoidacquire() Acquires a permit from this semaphore, blocking until one is available, or the thread is interrupted.voidacquire(int permits) Acquires the given number of permits from this semaphore, blocking until all are available, or the thread is interrupted.
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