如何同时运行两个方法 [英] How to run two methods simultaneously
本文介绍了如何同时运行两个方法的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有这段代码:
public static void main(String[] args) {
Downoader down = new Downoader();
Downoader down2 = new Downoader();
down.downloadFromConstructedUrl("http:xxxxx", new File("./references/word.txt"), new File("./references/words.txt"));
down2.downloadFromConstructedUrl("http:xxxx", new File("./references/word1.txt"), new File("./references/words1.txt"));
System.exit(0);
}
是否可以运行这两种方法: down.downloadFromConstructedUrl()
和 down2.downloadFromConstructedUrl()
同时?如果是这样,怎么样?
Is it possible to run these two methods: down.downloadFromConstructedUrl()
and down2.downloadFromConstructedUrl()
simultaneously? If so, how?
推荐答案
你开始两个主题:
试试这个:
// Create two threads:
Thread thread1 = new Thread() {
public void run() {
new Downloader().downloadFromConstructedUrl("http:xxxxx",
new File("./references/word.txt"),
new File("./references/words.txt"));
}
};
Thread thread2 = new Thread() {
public void run() {
new Downloader().downloadFromConstructedUrl("http:xxxxx",
new File("./references/word1.txt"),
new File("./references/words1.txt"));
}
};
// Start the downloads.
thread1.start();
thread2.start();
// Wait for them both to finish
thread1.join();
thread2.join();
// Continue the execution...
(您可能需要添加一些try / catch块,但上面的代码应该给你一个良好的开端。)
(You may need to add a few try/catch blocks, but the above code should give you a good start.)
进一步阅读:
- The Java™ Tutorials: Lesson: Concurrency
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