CSMap is a thread-safe concurrent hashmap implementation in Go, designed to offer efficient and simultaneous access by partitioning the map into several shards. Each shard operates independently, ...

Collections.synchronizedMap 方法使用了装饰器模式为线程不安全的 HashMap 提供了一个线程安全的装饰器类 SynchronizedMap。 这篇文章，我们聊聊线程安全使用 HashMap 的四种技巧。 如下图，tomcat 接收到到请求后，依次调用控制器 Controller、服务层 Service 、数据库访问层的 ...

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