Runtime.getRuntime().addShutdownHook
时间: 2024-02-10 22:47:09 浏览: 23
引用和介绍了使用Java中的Runtime.getRuntime().addShutdownHook()方法来添加关闭钩子。关闭钩子是一个已经初始化但尚未启动的线程,当JVM关闭时会执行这些钩子。关闭钩子可以在JVM关闭时执行一些内存清理和资源回收等工作。引用中也提到了这个方法,并指出当程序正常退出、系统调用System.exit方法或虚拟机被关闭时,才会执行添加的shutdownHook线程。
因此,使用Runtime.getRuntime().addShutdownHook()方法可以在Java程序关闭时执行一些必要的清理工作,以确保程序的正常退出和资源的释放。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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