Writing to a SocketChannel : SocketChannel « Network « Java Tutorial

1. Java Tutorial
2. Network
3. SocketChannel

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

public class Main {
  public static void main(String[] argv) throws Exception {
    SocketChannel sChannel = SocketChannel.open();
    sChannel.configureBlocking(false);
    sChannel.connect(new InetSocketAddress("hostName", 12345));

    ByteBuffer buf = ByteBuffer.allocateDirect(1024);
    buf.put((byte) 0xFF);

    buf.flip();

    int numBytesWritten = sChannel.write(buf);
  }
}