java线程池模拟并发

Posted 2022-08-08 tinya

public class CountDownLatchTest1 implements Runnable  
    final AtomicInteger number = new AtomicInteger();  
    volatile boolean bol = false;  
  
    @Override  
    public void run()   
        System.out.println(number.getAndIncrement());  
        synchronized (this)   
            try   
                if (!bol)   
                    System.out.println(bol);  
                    bol = true;  
                    Thread.sleep(10000);  
                  
             catch (InterruptedException e)   
                e.printStackTrace();  
              
            System.out.println("并发数量为" + number.intValue());  
          
  
      
  
    public static void main(String[] args)   
        ExecutorService pool = Executors. newCachedThreadPool();  
        CountDownLatchTest1 test = new CountDownLatchTest1();  
        for (int i=0;i<10;i++)   
            pool.execute(test);