SignatureClient.java

package org.jetbrains.ruby.runtime.signature.server;

import javax.swing.*;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.Socket;

public class SignatureClient {

    public static void main(String[] args) throws IOException {
        String serverAddress = JOptionPane.showInputDialog(
                "Enter IP Address of a machine that is\n" +
                        "running the date service on port 9090:");
        Socket s = new Socket(serverAddress, 9090);
        BufferedReader input =
                new BufferedReader(new InputStreamReader(s.getInputStream()));
        String answer = input.readLine();
        JOptionPane.showMessageDialog(null, answer);
        System.exit(0);
    }
}