JDK1.5のスレッドプールの使用概要

import java.io.Serializable;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

public class TestThreadPool {

	private static int produceTaskSleepTime = 2;

	private static int consumeTaskSleepTime = 2000;

	private static int produceTaskMaxNumber = 10;

	public static void main(String[] args) {

		//  
		ThreadPoolExecutor threadPool = new ThreadPoolExecutor(2, 4, 3,
				TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(3),
				new ThreadPoolExecutor.DiscardOldestPolicy());

		for (int i = 1; i <= produceTaskMaxNumber; i++) {
			try {
				//  ， 
				String task = "task@ " + i;
				System.out.println("put " + task);
				threadPool.execute(new ThreadPoolTask(task));

				//  ， 
				Thread.sleep(produceTaskSleepTime);
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
	}

	/**
	 *  
	 * 
	 * @author hdpan
	 */
	public static class ThreadPoolTask implements Runnable, Serializable {
		private static final long serialVersionUID = 0;

		//  
		private Object threadPoolTaskData;

		ThreadPoolTask(Object tasks) {
			this.threadPoolTaskData = tasks;
		}

		public void run() {
			//  ， ， 
			System.out.println("start .." + threadPoolTaskData);
			try {
				// // ， 
				Thread.sleep(consumeTaskSleepTime);
			} catch (Exception e) {
				e.printStackTrace();
			}
			threadPoolTaskData = null;
		}

		public Object getTask() {
			return this.threadPoolTaskData;
		}
	}
}