Learn what the ReentrantLock class is, how it differs from the synchronized keyword, and how to use it for thread synchronization in Java.

Trump’s First EPA Promised to Crack Down on Forever Chemicals. His Second EPA Is Pulling Back. EPA Administrator Lee Zeldin claims to prioritize combatting long-lasting chemicals called PFAS ...

Private messaging makes its way to Threads, after two years and user requests.

We're announcing Threads DMs and the introduction of the Threads highlighter, a new visual element that emphasizes interesting perspectives and conversations.