The deserializer is claimed as @JsonDeserialize (using = Subscriber.Deserializer.class) and defined as below, which works perfectly in a jar file running with Java -jar: public static class ...
ConcurrentHashMap是Java5中新增加的一个线程安全的Map集合,可以用来替代HashTable。HashTable容器在竞争激烈的并发环境下表现出效率低下的原因是所有访问HashTable的线程都必须竞争同一把锁,那假如容器里有多把锁,每一把锁用于锁容器其中一部分数据,那么当多线程 ...