关于java.util.concurrent您不知道的5件事，第2部分 - 编程入门网
作者 佚名技术
来源 NET编程
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发布时间 2012-06-13
| public Race(String... names) { this.horses.addAll(Arrays.asList(names)); } public void run() throws InterruptedException { System.out.println("And the horses are stepping up to the gate..."); final CountDownLatch start = new CountDownLatch(1); final CountDownLatch finish = new CountDownLatch(horses.size ()); final List<String> places = Collections.synchronizedList(new ArrayList<String> ()); for (final String h : horses) { new Thread(new Runnable() { public void run() { try { System.out.println(h + " stepping up to the gate..."); start.await(); int traveled = 0; while (traveled < distance) { // In a 0-2 second period of time.... Thread.sleep(rand.nextInt(3) * 1000); // ... a horse travels 0-14 lengths traveled += rand.nextInt(15); System.out.println(h + " advanced to " + traveled + "!"); } finish.countDown(); System.out.println(h + " crossed the finish!"); places.add(h); } catch (InterruptedException intEx) { System.out.println("ABORTING RACE!!!"); intEx.printStackTrace(); } } }).start(); } System.out.println("And... they''re off!"); start.countDown(); finish.await(); System.out.println("And we have our winners!"); System.out.println(places.get(0) + " took the gold..."); System.out.println(places.get(1) + " got the silver..."); System.out.println("and " + places.get(2) + " took home the bronze."); } } public class CDLApp { public static void main(String[] args) throws InterruptedException, java.io.IOException { System.out.println("Prepping..."); Race r = new Race( "Beverly Takes a Bath", "RockerHorse", "Phineas", "Ferb", "Tin Cup", "I''m Faster Than a Monkey", "Glue Factory Reject" ); S |
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