用于實(shí)現(xiàn)兩個(gè)人之間的數(shù)據(jù)交換，每個(gè)人在完成一定的事務(wù)后想與對(duì)方交換數(shù)據(jù)，第一個(gè)先拿出數(shù)據(jù)的人將一直等待第二個(gè)人拿著數(shù)據(jù)到來(lái)時(shí)，才能彼此交換數(shù)據(jù)。
復(fù)制代碼代碼如下:
package com.ljq.test.thread;
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(){
public void run() {
try {
String data1 = "張三";
System.out.println("線程" + Thread.currentThread().getName() + "正在把數(shù)據(jù)'" + data1 +"'換出去");
Thread.sleep((long)(Math.random()*10000));
String data2 = (String)exchanger.exchange(data1);
System.out.println("線程" + Thread.currentThread().getName() + "換回的數(shù)據(jù)為'" + data2+"'");
}catch(Exception e){
}
}
});
service.execute(new Runnable(){
public void run() {
try {
String data1 = "李四";
System.out.println("線程" + Thread.currentThread().getName() + "正在把數(shù)據(jù)'" + data1 +"'換出去");
Thread.sleep((long)(Math.random()*10000));
String data2 = (String)exchanger.exchange(data1);
System.out.println("線程" + Thread.currentThread().getName() + "換回的數(shù)據(jù)為'" + data2 + "'");
}catch(Exception e){
}
}
});
}
}
返回結(jié)果：
復(fù)制代碼代碼如下:
線程pool-1-thread-1正在把數(shù)據(jù)'張三'換出去
線程pool-1-thread-2正在把數(shù)據(jù)'李四'換出去
線程pool-1-thread-1換回的數(shù)據(jù)為'李四'
線程pool-1-thread-2換回的數(shù)據(jù)為'張三'
