Good for nothing String Crypter :D

import javax.swing.*;
Code:
import java.awt.event.*;

public class Main {
    public static String s;

    private static void createAndShowGUI() {
	JFrame frame = new JFrame("String Crypto");

	JButton inputText = new JButton("Input Text");
	JButton textEncrypt = new JButton("Text Encrypt");
	JButton textDecrypt = new JButton("Text Decrypt");
	JButton showText = new JButton("Show Text");

	inputText.addActionListener(new ActionListener(){
				public void actionPerformed(ActionEvent ae){
					s = JOptionPane.showInputDialog(null, "Enter input text : ", null, 1);					
}});

	textEncrypt.addActionListener(new ActionListener(){
				public void actionPerformed(ActionEvent ae){
					String s2 = new String();
					int cnt = 1;
					for(int i = 1;i<s.length();i++){
						if (s.charAt(i) == s.charAt(i-1)){
							cnt++;
						}
						else{
							s2 += cnt+""+s.charAt(i-1);
							cnt = 1;
						};
						if (i==s.length()-1){
							s2 += cnt+""+s.charAt(i);
						};
					}
					s = s2;
					JOptionPane.showMessageDialog(null, "New String: "+s, "StringCrypto",1);
}});
	textDecrypt.addActionListener(new ActionListener(){
				public void actionPerformed(ActionEvent ae){
					String s2 = new String();
					for(int i = 0;i<s.length();i++){
						if (Character.isDigit(s.charAt(i))){
							for(int j = Integer.parseInt(s.charAt(i)+"");j>0;j--){
								s2 += s.charAt(i+1)+"";
							}
							
						};
					}
					s = s2;
					JOptionPane.showMessageDialog(null, "New String: "+s, "StringCrypto",1);
}});

	showText.addActionListener(new ActionListener(){
				public void actionPerformed(ActionEvent ae){
					JOptionPane.showMessageDialog(null, "Current String: "+s, "Show String",1);
}});

	JPanel panel = new JPanel();
	panel.add(inputText);
	panel.add(textEncrypt);
	panel.add(textDecrypt);
	panel.add(showText);

        frame.add(panel);
	frame.setSize(400, 400);
	frame.pack();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setVisible(true);
    }

    public static void main(String[] args) {
        //Schedule a job for the event-dispatching thread:
        //creating and showing this application's GUI.
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });
    }
}