HashMap interview questions and ConcurrentHashMap interview questions. Learn questions like how hashmap works, rehashing in concurrenthashmap and more.
The ConcurrentHashMap is very similar to the HashMap class, except that ConcurrentHashMap offers internally maintained concurrency. It means you do not need to have synchronized blocks when accessing ConcurrentHashMap in multithreaded application. Above code is reasonably valid in multi-threaded environment in your application. The reason, I am saying “reasonably valid” is that, above code yet […]