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线程之间交换数据，都到达才交换，游戏中道具、金币的交换
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() + "正在把数据" + data1 + "换出去"); Thread.sleep((long) Math.random() * 10000); String data2=(String) exchanger.exchange(data1); System.out.println("线程" + Thread.currentThread().getName() + "换回的数据为" + data2); } catch (Exception e) { e.printStackTrace(); } } }); service.execute(new Runnable() { @Override public void run() { try { String data1 = "lhm"; System.out.println("线程" + Thread.currentThread().getName() + "正在把数据" + data1 + "换出去"); Thread.sleep((long) Math.random() * 10000); String data2=(String) exchanger.exchange(data1); System.out.println("线程" + Thread.currentThread().getName() + "换回的数据为" + data2); } catch (Exception e) { e.printStackTrace(); } } }); }} 本文出自 “” 博客，请务必保留此出处
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