[Enum].Parse(GetType(eMonths), CMB_Month.Text)

import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.SwingUtilities;
import javax.swing.JOptionPane;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.util.Calendar;

// The main frame, all the gui elements go on here
class MainFrame extends JFrame implements ActionListener {

    Calendar m_calendar = Calendar.getInstance();
    JComboBox m_birthMonth = new JComboBox();
    JComboBox m_birthDay = new JComboBox();
    JComboBox m_birthYear = new JComboBox();

    // Create and show the main frame
    public MainFrame() {
        // Close the application when we exit
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setResizable(true);
        this.setTitle("Ageulator");
        // Create all the components on the main frame
        this.createGUI();
        // Remove any extra space between components
        this.pack();
        // Start application in the center of the screen
        this.setLocationRelativeTo(null);
        this.setVisible(true);
    }

    // Create all the components and put them on the main frame
    private void createGUI() {
        // Simple GUI layout manager
        this.setLayout(new BorderLayout());
        m_birthMonth.addItem("--");
        // Allow the user to select months 1-12
        for (int i = 1; i <= 12; i++) {
            if (i < 10) {
                m_birthMonth.addItem("0" + i);
            } else {
                m_birthMonth.addItem(i);
            }
        }
        this.add(m_birthMonth, BorderLayout.WEST);

        m_birthDay.addItem("--");
        // Allow the user to select days 1-32
        for (int i = 1; i <= 32; i++) {
            if (i < 10) {
                m_birthDay.addItem("0" + i);
            } else {
                m_birthDay.addItem(i);
            }
        }
        this.add(m_birthDay, BorderLayout.CENTER);

        m_birthYear.addItem("----");
        // Allow the user to select years 1900-present
        for (int i = m_calendar.get(Calendar.YEAR); i >= 1900; i--) {
            m_birthYear.addItem(i);
        }
        this.add(m_birthYear, BorderLayout.EAST);

        // Add a button and make it execute actionperformed when clicked
        JButton calculateAge = new JButton("Calculate my age");
        calculateAge.addActionListener(this);
        this.add(calculateAge, BorderLayout.PAGE_END);
    }

    // Called when the calculate button is pushed
    public void actionPerformed(ActionEvent e) {
        int selDay;
        int selMonth;
        int selYear;
        try {
            selDay = Integer.parseInt(m_birthDay.getSelectedItem().toString());
            selMonth = Integer.parseInt(m_birthMonth.getSelectedItem().toString());
            selYear = Integer.parseInt(m_birthYear.getSelectedItem().toString());
            // Sometimes the age is just current year - birth year
            int age = m_calendar.get(Calendar.YEAR) - selYear;

            // If currentmonth < birthmonth
            if (m_calendar.get(Calendar.MONTH) + 1 < selMonth) {
                age--;
            }

            // If currentmonth = birthmonth and currentday < birthday
            if (m_calendar.get(Calendar.MONTH) + 1 == selMonth) {
                if (m_calendar.get(Calendar.DAY_OF_MONTH) < selDay) {
                    age--;
                }
            }
            // Display your age
            JOptionPane.showMessageDialog(this,
                    "You are " + age + " years old!",
                    "Your age",
                    JOptionPane.INFORMATION_MESSAGE);
        } catch (java.lang.Exception ex) {
            // An error occured parsing (you didn't select a number)
            JOptionPane.showMessageDialog(this,
                    "Please enter a valid age!",
                    "Error",
                    JOptionPane.ERROR_MESSAGE);
        }
    }
}

public class Ageulator {

    private static void createAndShowGUI() {
        MainFrame mainFrame = new MainFrame();
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {

            public void run() {
                createAndShowGUI();
            }
        });
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<jnlp codebase="http://www.raymondcox.net/" spec="1.0+" href="Ageulator.jnlp">
    <information>
        <title>Agulator</title>
        <vendor>Raymond Cox</vendor>
        <homepage href="http://www.raymondcox.net/"/>
        <description>A simple age calculator tool</description>
        <description kind="short">Simple Age Calculator</description>
    <offline-allowed/>
</information>
    <resources>
<j2se version="1.5+"/>
<jar eager="true" href="Ageulator.jar" main="true"/>
    </resources>
    <application-desc main-class="Ageulator">
    </application-desc>
</jnlp>