Exchanger
用于实现两个人之间的数据交换,每个人在完成一定的事务后想与对方交换数据,第一个先拿出数据的人将一直等待第二个人拿着数据到来时,才能彼此交换数据。
package com.ronbay.thread.timer; import java.util.concurrent.Exchanger; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; public class ExchangerTest { public static void main(String[] args) { ExecutorService service = Executors.newCachedThreadPool(); final Exchanger exchanger = new Exchanger(); service.execute(new Runnable() { @Override public void run() { try { String data1 = "zxx"; System.out.println("线程" + Thread.currentThread().getName() + "正准备把数据" + data1 + "换出去"); Thread.sleep((long)Math.random()*10000); String data2 = (String)exchanger.exchange(data1); System.out.println("线程" + Thread.currentThread().getName() + "换回数据为" + data2); } catch (Exception e) { } } }); service.execute(new Runnable() { @Override public void run() { try { String data1 = "1hm"; System.out.println("线程" + Thread.currentThread().getName() + "正把数据" + data1 + "换出去"); Thread.sleep((long)Math.random()*10000); String data2 = (String)exchanger.exchange(data1); System.out.println("线程" + Thread.currentThread().getName() + "换回数据为" + data2); } catch (InterruptedException e) { e.printStackTrace(); } } }); } }