TestCustomThreadPool.java

package study.java.thread.Executor;

import java.util.concurrent.ArrayBlockingQueue; 
import java.util.concurrent.BlockingQueue; 
import java.util.concurrent.ThreadPoolExecutor; 
import java.util.concurrent.TimeUnit; 
public class TestCustomThreadPool{ 
	public static void main(String[] args){ 
		//创建等待队列 
		BlockingQueue<Runnable> bqueue = new ArrayBlockingQueue<Runnable>(20); 
		//创建线程池，池中保存的线程数为3，允许的最大线程数为5
		ThreadPoolExecutor pool = new ThreadPoolExecutor(3,5,50,TimeUnit.MILLISECONDS,bqueue); 
		//创建任务 
		for (int i=1;i<=20;i++) {
			Runnable t = new MyThread(); 
			pool.execute(t); 
		}
		//关闭线程池 
		pool.shutdown(); 
	} 
} 

class MyThread implements Runnable{ 
	@Override 
	public void run(){ 
		System.out.println(Thread.currentThread().getName() + "正在执行。。。"); 
		try{ 
			Thread.sleep(100); 
		}catch(InterruptedException e){ 
			e.printStackTrace(); 
		} 
	} 
}