ThreadPoolExecutor 线程池Demo

package threadPoolExecutor;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

//自定义线程池

public class ThreadPoolExecutorDemo {

	public static void main(String[] args) {
		ArrayBlockingQueue queue = new ArrayBlockingQueue(5);
		ThreadPoolExecutor pool = new ThreadPoolExecutor(5, 10, 200, TimeUnit.MILLISECONDS, queue);
		for(int i=0; i<15; i++){
			MyTask myTask = new MyTask(i);
			pool.execute(myTask);
			System.out.println("线程池中的线程数目："+pool.getPoolSize()+",队列中等待执行的任务数量："+pool.getQueue().size()+",已执行完的任务数目："+pool.getCompletedTaskCount());
			
		}
		pool.shutdown();
	}

}


class MyTask implements Runnable{
	
	private int taskNum;
	
	public MyTask(int num){
		this.taskNum = num;
	}
	
	public void run(){
		System.out.println("正在执行task " + taskNum);
		try {
			Thread.sleep(4000);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		System.out.println("task "+taskNum+"执行完毕");
	}
	
}