Android Open Source - Common-Library U D P Client

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Back to project page Common-Library.

License

The source code is released under:

Apache License

Java Source Code

package com.morgan.library.snippet;
// ww  w.j a  v a2s.c o  m
import java.io.*;
import java.net.*;

/**
 * UDP????????
 * 
 * @author Morgan.Ji
 * 
 */
class UDPClient {
  public static void main(String[] args) throws IOException {
    DatagramSocket client = new DatagramSocket();

    String sendStr = "Hello! I'm Client";
    byte[] sendBuf;
    sendBuf = sendStr.getBytes();
    InetAddress addr = InetAddress.getByName("127.0.0.1");
    int port = 5050;
    DatagramPacket sendPacket = new DatagramPacket(sendBuf, sendBuf.length,
        addr, port);

    client.send(sendPacket);

    byte[] recvBuf = new byte[100];
    DatagramPacket recvPacket = new DatagramPacket(recvBuf, recvBuf.length);
    client.receive(recvPacket);
    String recvStr = new String(recvPacket.getData(), 0,
        recvPacket.getLength());
    System.out.println("??:" + recvStr);

    client.close();
  }
}

Java Source Code List

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