学习多线程操作
可以用作,测试多线程
ExecutorService executorService = Executors.newFixedThreadPool(10);
for (int i = 0; i < 20; i++) {
executorService.submit(() -> {
System.out.println(Thread.currentThread().getId());
if(rBucket.compareAndSet(oldValue, "一剪梅")) {
System.out.println("线程"+Thread.currentThread().getId()+"更新了bucket的值");
}
});
}
Executors是一个工厂类,可以直接创建默认线程实现, submit用于提交任务