On my machine output of your code is: Before After Middle. If you want to print Middle before After you need to add t2.join() method call ... ... <看更多>
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On my machine output of your code is: Before After Middle. If you want to print Middle before After you need to add t2.join() method call ... ... <看更多>
inexpressive thread sleeping. Thread.sleep(5*60*1000);. // more expresive alternative with TimeUnit. TimeUnit.MINUTES.sleep(5); ... ... <看更多>
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TIMED_WAITING: 有等待时间的等待状态，比如调用了以下几个方法中的任意方法，并且指定了等待时间，线程就会处于这个状态。 1. Thread.sleep方法2. Object ... ... <看更多>
There is much more involved in running a program than just the code within that program. Any program that runs in a multi-process OS is ... ... <看更多>