BROADCAST IN NETWORK PROGRAMMING

receiver.java
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.util.Arrays;

// Server side
public class receiver
{
 public static void main(String[] args) throws IOException
 {

  DatagramPacket receive = new DatagramPacket(new byte[1024], 1024);
  DatagramSocket server = new DatagramSocket(8888);

  System.out.println("---------------------------------");
  System.out.println("Server current start......");
  System.out.println("---------------------------------");

  while (true)
  {
   server.receive(receive);

   byte[] recvByte = Arrays.copyOfRange(receive.getData(), 0,
     receive.getLength());

   System.out.println("Server receive msg:" + new String(recvByte));
  }

 }
}

sender.java
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;

// Client 
public class sender
{
 public static void main(String[] args) throws IOException
 {
  byte[] msg = new String("connection successfully!!!").getBytes();
 
  // The local broadcast address is used here 
  InetAddress inetAddr = InetAddress.getByName("255.255.255.255");
  DatagramSocket client = new DatagramSocket();

  DatagramPacket sendPack = new DatagramPacket(msg, msg.length, inetAddr,
    8888);

  client.send(sendPack);
  System.out.println("Client send msg complete");
  client.close();
 }
}