线程池submit（）使⽤案例submit()使⽤案例
public class Test {
private static final String SUCCESS = "success";
public static void main(String[] args) {
ExecutorService executorService = wFixedThreadPool(3);
System.out.println("------------------任务开始执⾏---------------------");
Future<String> future = executorService.submit(new Callable<String>() {
@Override
public String call() throws Exception {
Thread.sleep(5000);
System.out.println("submit⽅法执⾏任务完成" + " thread name: " + Thread.currentThread().getName()); return SUCCESS;
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}
});
try {
String s = ();
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if (SUCCESS.equals(s)) {
String name = Thread.currentThread().getName();
System.out.println("经过返回值⽐较，submit⽅法执⾏任务成功 thread name: " + name);
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} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
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e.printStackTrace();
}
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}
}
打印结果：
------------------任务开始执⾏---------------------
call()调⽤开始: 1496899867882
submit⽅法执⾏任务完成: 1496899872897 thread name: pool-1-thread-1
经过返回值⽐较，submit⽅法执⾏任务成功 thread name: main
-------------------main thread end---------------------
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出车位主线程会⼀直阻塞，等待线程池中的任务执⾏完后，在执⾏后⾯的语句。
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