import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.Charset;

public class Main
{
    public static void main(String[] args) throws IOException
    {
        //Initialize connection
        ServerSocket serverSocket = new ServerSocket(1337);
        System.out.println("waiting for connection....");
        Socket clientSocket = serverSocket.accept();
        System.out.println("Found client!");
        //Setting up data streams
        DataInputStream in = new DataInputStream(clientSocket.getInputStream());
        DataOutputStream out = new DataOutputStream(clientSocket.getOutputStream());
        System.out.println("Connection initialized... Waiting for data");
        while(true)
        {
            //Read bytes from client
            byte[] bytes = new byte[1024];
            in.read(bytes);
            System.out.println(new String(bytes, Charset.forName("UTF-8")).trim());
            //Send text back
            out.write(new String("biep").getBytes("UTF-8"));
        }
    }
}