Java 7: HashMap vs ConcurrentHashMap

As you may have seen from my past performance related articles and HashMap case studies, Java thread safety problems can bring down your Java EE application and the Java EE container fairly easily. One of most common problems I have observed when troubleshooting Java EE performance problems is infinite looping triggered from the non-thread safe HashMap get() and put() operations. This problem is k

[kimutansk]

CuncurrentHashMapと、スレッドセーフでないノーマルなHashmap、性能的にはほぼ差が無いというのは貴重な情報ですねぇ。