read_from_server.java

public class Main {
    public static void main(String[] args) throws IOException {
        SocketChannel socketChannel = SocketChannel.open();

        try {
            socketChannel.connect(new InetSocketAddress("localhost", 10100));
        } catch (IOException e) {
            // Connection error
        }

        ByteBuffer buf = ByteBuffer.allocateDirect(1024);

        try {
            while (true) {
                buf.clear();
                int numBytesRead = socketChannel.read(buf);

                if (numBytesRead == -1) {
                    break;
                } else {
                    buf.flip();
                    System.out.println(toString(buf));
                }
            }
        } catch (IOException e) {
            // Connection may have been closed
        }
        socketChannel.close();
    }

    public static String toString(ByteBuffer bb) {
        final byte[] bytes = new byte[bb.remaining()];

        bb.duplicate().get(bytes);

        return new String(bytes);
    }
}