TabbedPane.Java

import javax.swing.*;
import java.awt.event.*;
import java.io.Writer;

public class TabbedPane extends JFrame {

    public static String targetIP;
    public static String targetPort;
    JTextField log = new JTextField("localhost", 13);
    JTextField port = new JTextField("25565", 13);
    JButton test = new JButton("Start");
    JTextArea ip = new JTextArea("~~~ SpamBot By m0dz ~~~ \n", 13, 20);

    public TabbedPane() {

         //This will create the title you see in the upper left of the window
        setTitle("Spambot (By m0dz)");
        setSize(400,600); //set size so the user can "see" it
        //Here we are creating the object
        JTabbedPane jtp = new JTabbedPane();

        //This creates the template on the windowed application that we will be using
       getContentPane().add(jtp);

       JPanel jp1 = new JPanel();//This will create the first tab

       JPanel jp2 = new JPanel();//This will create the second tab

         //This creates a non-editable label, sets what the label will read
        //and adds the label to the first tab
       JLabel label1 = new JLabel();
       label1.setText("IP Adress:");
       jp1.add(label1);
       jp1.add(log);
       jp1.add(port);

       //This adds the first and second tab to our tabbed pane object and names it
       jtp.addTab("Main", jp1);
       jtp.addTab("Log", jp2);

        //This creates a new button called "Press" and adds it to the second tab
       jp2.add(ip);
       ip.setEnabled( false );
       jp2.setLayout(new BoxLayout(jp2, BoxLayout.PAGE_AXIS));
       jp2.add(test);

        //This is an Action Listener which reacts to clicking on
        //the test button called "Press"
        ButtonHandler phandler = new ButtonHandler();
        test.addActionListener(phandler);
        setVisible(true); //otherwise you won't "see" it
    }

    //This is the internal class that defines what the above Action Listener
    //will do when the test button is pressed.
    class ButtonHandler implements ActionListener{
           public void actionPerformed(ActionEvent e){
                   targetIP = log.getText();
                   targetPort = port.getText();
                   test.setEnabled( false );
                   ip.setText(ip.getText() + "Logging in to " + targetIP + ":" + targetPort + "... \n");
           }
    }

    //example usage
     public static void main (String []args){
        TabbedPane tab = new TabbedPane();
    }

}