How does Spring bean Handle concurrency

Question

My web application uses Spring IOC. So all my spring beans will be singletons by default. In case if two requests try to access two different methods of a single class (for

Answer 1

If the bean is a singleton, then Spring will give you the same instance in any thread. It's up to you to make that bean thread-safe. Since it's a singleton, you'd be best off making that class stateless.