Problem With RSA Interface

Program complies and the interface shows up but there is no output
after pressing run button. How come this is happening?

Thanks.

package newpackage4;

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

public class NewClass5 extends JFrame{

   public NewClass5() {
        initiateComponents();
    }

    private JLabel TitleLabel;

    private JPanel innerPanel;

    private JLabel StringInputLabel;

    private JTextField InputStringTextField;

    private JButton RunButton;
    private JButton SaveButton;
    private JButton ResetButton;
    private JButton ExitButton;

    private JTextArea OutputWindow;

    private char[] plainText;

    private void initiateComponents() {
        getContentPane().setLayout(null);
        setTitle("Simplified Simulation: RSA Security Algorithm");
        setSize(new Dimension(1025, 703));
        setLocation(0,0);
        setResizable(false);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        getContentPane().setBackground(new Color(100,200,200));

        getContentPane().add(getInnerPanel());
        getContentPane().add(getTitleLabel());
        populateInnerPanel();
    }

    private JLabel getTitleLabel() {
        TitleLabel = new JLabel();
        TitleLabel.setFont(new Font("Arial",1,44));
        TitleLabel.setText(" RSA Algorithm");
        TitleLabel.setBackground(new Color(255,255,255));
        TitleLabel.setBorder(new EtchedBorder());
        TitleLabel.setBounds(300,40,500,60);
        return TitleLabel;
    }

     private JPanel getInnerPanel() {
        innerPanel = new JPanel();
        innerPanel.setLayout(null);
        innerPanel.setBackground(new Color(190,255,255));
        innerPanel.setBorder(new TitledBorder(
                new TitledBorder(null, "",
                    TitledBorder.DEFAULT_JUSTIFICATION,
                    TitledBorder.DEFAULT_POSITION,
                    new Font("Times New Roman", 1, 12))));
        innerPanel.setBounds(40,160,930,460);
        return innerPanel;
    }

    private void populateInnerPanel() {
        StringInputLabel = new JLabel();
        StringInputLabel.setFont(new Font("Bookman Old Style",0,13));
        StringInputLabel.setText("Enter in a word:");
        innerPanel.add(StringInputLabel);
        StringInputLabel.setBounds(65,20,110,20);

        InputStringTextField = new JTextField();
        InputStringTextField.setText(" ");
        innerPanel.add(InputStringTextField);
        InputStringTextField.setBounds(180,20,220,20);

        RunButton = new JButton();
        RunButton.setFont(new Font("Bookman Old Style",1,13));
        RunButton.setText("Run");
        innerPanel.add(RunButton);
        RunButton.setBounds(65,420,70,20);

        SaveButton = new JButton();
        SaveButton.setFont(new Font("Bookman Old Style",1,13));
        SaveButton.setText("Save");
        innerPanel.add(SaveButton);
        SaveButton.setBounds(305,420,70,20);

        ResetButton = new JButton();
        ResetButton.setFont(new Font("Bookman Old Style",1,13));
        ResetButton.setText("Reset");
        innerPanel.add(ResetButton);
        ResetButton.setBounds(555,420,80,20);

        ExitButton = new JButton();
        ExitButton.setFont(new Font("Bookman Old Style",1,13));
        ExitButton.setText("Exit");
        innerPanel.add(ExitButton);
        ExitButton.setBounds(794,420,70,20);

        OutputWindow = new JTextArea();
        Font equalSpacedFont = new Font("Monospaced",Font.PLAIN,14);
        OutputWindow.setFont(equalSpacedFont);
        OutputWindow.setEditable(false);
        JScrollPane scrollPane = new JScrollPane(OutputWindow);
        scrollPane.setBounds(65,70,800,330);
        innerPanel.add(scrollPane);

    }

    public void actionPerformed(ActionEvent event) {
     String arg = event.getActionCommand();

     if(arg.equals("Run"))
     {
     try
     {
     int plainTextLength = plainText.length;
     String inputString = InputStringTextField.getText();
     int inputStringLength = inputString.length();
     char[] result = new char[inputStringLength];
     //char currentSource = inputString.charAt(i);
     }
     catch (Exception e) {

     }

     int [] cipherText = new int[plainText.length];

     System.out.print("\nPlaintext:\t ");
     for(int i = 0; i < plainText.length; i++)
     {
     int tmp = (int)plainText[i]-64;
     cipherText[i] = (tmp*tmp*tmp)%33;
     System.out.print("\t"+plainText[i]);
     }
     System.out.print("\nCiphertext:\t");
     for(int i = 0; i < cipherText.length; i++)
     {
     System.out.print("\t"+cipherText[i]);
     }
     }
    }

    public static void main(String args[]) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                JFrame.setDefaultLookAndFeelDecorated(true);
                NewClass5 nc5 = new NewClass5();
                nc5.setVisible(true);
            }
        });

      }
}