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private static ExecutorService es = new ThreadPoolExecutor(50, 100, 0L, TimeUnit.MILLISECONDS,
    new LinkedBlockingQueue(100000));
 
public static void main(String[] args) throws Exception {
  for (int i = 0; i < 100000; i++) {
    es.execute(() -> {
      System.out.print(1);
      try {
        Thread.sleep(1000);
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
    });
  }
 
  ThreadPoolExecutor tpe = ((ThreadPoolExecutor) es);
 
  while (true) {
    System.out.println();
 
    int queueSize = tpe.getQueue().size();
    System.out.println("當前排隊線程數(shù)：" + queueSize);
 
    int activeCount = tpe.getActiveCount();
    System.out.println("當前活動線程數(shù)：" + activeCount);
 
    long completedTaskCount = tpe.getCompletedTaskCount();
    System.out.println("執(zhí)行完成線程數(shù)：" + completedTaskCount);
 
    long taskCount = tpe.getTaskCount();
    System.out.println("總線程數(shù)：" + taskCount);
 
    Thread.sleep(3000);
  }
 
}