Java concurrency API

The Java programming language has a very rich concurrency API. It contains classes to manage the basic elements of concurrency, such as Thread, Lock, and Semaphore, and classes that implement very high-level synchronization mechanisms, such as the executor framework or the new parallel Stream API.

In this section, we will cover the basic classes that form the concurrency API.

Basic concurrency classes

The basic classes of the Java concurrency API are:

  • The Thread class: This class represents all the threads that execute a concurrent Java application
  • The Runnable interface: This is another way to create concurrent applications in Java
  • The ThreadLocal class: This is a class to store variables locally to a thread
  • The ThreadFactory

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