A Client Program Based on the Datagram Channel - Java Network

Java examples for Network:Datagram Channel

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Description

A Client Program Based on the Datagram Channel

Demo Code

import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.DatagramChannel;

public class Main {
  public static void main(String[] args) throws Exception {
    DatagramChannel client = DatagramChannel.open();
    client.bind(null);//from   ww  w.  j av  a 2s. com
    String msg = "Hello";
    ByteBuffer buffer = ByteBuffer.wrap(msg.getBytes());
    InetSocketAddress serverAddress = new InetSocketAddress("localhost", 8989);
    client.send(buffer, serverAddress);
    buffer.clear();
    client.receive(buffer);
    buffer.flip();
    int limits = buffer.limit();
    byte bytes[] = new byte[limits];
    buffer.get(bytes, 0, limits);
    String response = new String(bytes);
    System.out.println("Server responded: " + response);

    client.close();

  }
}

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