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最新文章列表
ScheduledExecutorService的scheduleAtFixedRate和scheduleWithFixedDelay方法的区别
ScheduledExecutorService是java.util.concurrent并发包下的一个接口,表示调度服务~,它定义了以下几个方法:
public ScheduledFuture<?> schedule(Runnable command,
long delay, TimeUnit unit);
public <V> ...
javascript之 == vs ===
一、Comparison Overview
1. Speed Compare(运行速度比较):
=== will never be slower than ==.
They both do type checking, so === doesn't do anything extra compared to ==,
but the type check may allow === to ex ...