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Java并发编程 - 线程不安全类 & 同步/并发容器之简介

if(condition(a)) { handle(a) } 即便 condition 和 handle 都是线程安全的，但因为分成了两步，不符合原子性，因此是不安全的。解决方案就是在这个方法上加一个 synchronized 锁。同步容器并不是绝对的线程安全，只能说安全性更高，比如 Vector ...

Java 中的线程安全容器

一、同步容器常用的一些容器例如 ArrayList、HashMap、都不是线程安全的，最简单的将这些容器变为线程安全的方式，是给这些容器所有的方法都加上 synchronized 关键字。Java 的 Collections 中实现了这些同步容器：简单的使用如下：List<String>...

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