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我们通过以下代码来连了解以下UPD
首先我们先创建Server类
package cn.a.qwe;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketException;
public class Server {
public static void main(String[] args) throws Exception {
DatagramSocket sockets=new DatagramSocket(50000);
byte[] bytes = new byte[1024];
DatagramPacket packet = new DatagramPacket(bytes, 0,bytes.length);
sockets.receive(packet);
byte[] data = packet.getData();
String temp = new String(data,0,data.length);
System.out.println(temp);
}
}
紧接着我们来创建一个Client类
package cn.a.qwe;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
public class Client {
public static void main(String[] args) throws Exception {
String word="开启成功";
byte[] bytes=word.getBytes();
DatagramSocket client = new DatagramSocket();
DatagramPacket packet = new DatagramPacket(bytes, 0, bytes.length, InetAddress.getByName("localhost"), 50000);
client.send(packet);
}
}
启动之后我们可以看到当Client运行时,我们可以看到Server类会有"开启成功"的字段输出
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原文地址：http://www.cnblogs.com/baixingqiang/p/5772735.html
