Java线程池ExecutorService与CompletionService 所属分类 java

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Java线程池ExecutorService与CompletionService     所属分类 java

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并行执行任务并获取返回结果
CompletionService 执行快的先返回


ExecutorService 例子


public class FutureTest {
	
	private static ExecutorService pool = Executors.newCachedThreadPool();
	private static Random rand = new Random();
	
	public static void main(String[] args) throws Exception {
		System.out.println("FutureTest start "+new Date());	
		int num = 3;
		List> futures = new ArrayList>();
		Future future = null;
		long sleepTime = 500;
		for(int i=0;i 
  
 
  
 
 
  
 
  
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