Java Tutorial/Network/Buffer Socket

Use ByteBuffer for Socket communication

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.Channels;
import java.nio.channels.SocketChannel;
import java.nio.channels.WritableByteChannel;
public class MainClass {
  public static void main(String[] args) throws Exception {
    int port = 19;
    SocketAddress address = new InetSocketAddress("127.0.0.1", port);
    SocketChannel client = SocketChannel.open(address);
    ByteBuffer buffer = ByteBuffer.allocate(74);
    WritableByteChannel out = Channels.newChannel(System.out);
    while (client.read(buffer) != -1) {
      buffer.flip();
      out.write(buffer);
      buffer.clear();
    }
  }
}