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[帮助文档] 什么是Java容器型,有哪些应用

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Java容器 --- ConcurrentHashMap分析

ConcurrentHashMap 引出HashMap在多线程环境下存在线程安全问题，一般的解决方案：使用Collections.synchronizedMap(Map)：创建线程安全的map集合；ps：在SynchronizedMap内部维护了一个普通对象Map，还有排斥锁mutex。最终结果是m...

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并发读写数据一致性保证（Java并发容器）写在前业务开发过程，其实就是用户业务数据的处理过程，因而开发的核心任务就是维护数据一致不出错。现实场景中，多个用户会并发读写同一份数据（如秒杀），不加控制会翻车、加了控制则降低并发度，影响性能和用户体验。如何优雅的进行并发数据控制...

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更新时间 2023-04-11 09:59:58

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