Summary:
- This article discusses the use of ThreadLocal in Spring, which is a feature that allows each thread to have its own copy of a variable.
- ThreadLocal is useful for managing the state of a request in a web application, as it ensures that data is isolated and not shared between different threads.
- The article explains how to use ThreadLocal in a Spring application, including how to set and get values, and how to clean up the ThreadLocal when a request is completed.