Concurrency management is a critical aspect of developing robust and efficient Java applications. One of the most effective tools at your disposal for managing concurrent threads is the semaphore. In this article, we will delve into the use of semaphores in Java, explore how they work, and demonstrate their application through code examples and demos. By the end of this article, you’ll have a solid understanding of semaphores and how to use them to control access to resources in your Java applications.