使用UDP搭建聊天环境

package DatagramMain;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.nio.charset.StandardCharsets;

public class DataGramMainAlpha {
public static void main(String[] TXT) throws IOException {
new Thread(()->{
try {
sentMessage();
} catch (IOException e) {
throw new RuntimeException(e);
}
}).start();
new Thread(DataGramMainAlpha::receive).start();
}
public static void sentMessage() throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
while (true){
String message = reader.readLine();
DatagramPacket packet=new DatagramPacket(message.getBytes(StandardCharsets.UTF_8),0,message.length(), InetAddress.getByName(“192.168.8.86”),9412);
new DatagramSocket().send(packet);
}
}
public static void receive(){
DatagramPacket receive=new DatagramPacket(new byte[1024],1024);
DatagramSocket socket= null;
try {
socket = new DatagramSocket(9412);
} catch (SocketException e) {
throw new RuntimeException(e);
}
try {
while (true){
socket.receive(receive);
String message=new String(receive.getData(),0,receive.getLength());
System.out.println(message);
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}