[Ch15] Chat client works. Something's not right with try-with-resources.

  }

  private void setUpNetworking() {

    InetSocketAddress serverAddress = new InetSocketAddress("127.0.0.1", 5000);

    try (SocketChannel socketChannel = SocketChannel.open(serverAddress)) {

    try {

      SocketChannel socketChannel = SocketChannel.open(new InetSocketAddress("127.0.0.1", 5000));

      reader = new BufferedReader(Channels.newReader(socketChannel, StandardCharsets.UTF_8));

      writer = new PrintWriter(Channels.newWriter(socketChannel, StandardCharsets.UTF_8));