ExecutorService 用例

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import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class TestCachedThreadPool{
    public static void main(String[] args){
        ExecutorService executorService = Executors.newCachedThreadPool();
//      ExecutorService executorService = Executors.newFixedThreadPool(5);
//      ExecutorService executorService = Executors.newSingleThreadExecutor();
        for (int i = 0; i < 5; i++){
            executorService.execute(new TestRunnable());
            System.out.println("************* a" + i + " *************");
        }
        executorService.shutdown();
    }
}

class TestRunnable implements Runnable{
    public void run(){
        System.out.println(Thread.currentThread().getName() + "线程被调用了。");
    }
}