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<String> exchanger = new Exchanger<String>();
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();
}
}
});
}
}
