import java.io.DataInputStream;
import java.io.IOException;
import java.net.Socket;

public class Receiver extends Thread {
    private Socket socket;
    private final Object lock;

    public Receiver(Socket socket, Object lock) {
        this.socket = socket;
        this.lock = lock;
    }

    @Override
    public void run() {
        try (DataInputStream inputStream = new DataInputStream(socket.getInputStream())) {
            String message;
            while (true) {
                try {
                    message = inputStream.readUTF();
                } catch (IOException e) {
                    break;
                }
                synchronized (lock) {
                    System.out.println();
                    System.out.println("Antwort vom Server: " + message);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}