Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.GridLayout;

import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

public class Main {
    JPanel options = new JPanel(new GridLayout(0, 3));
    Object[] items;

    public Main() {
        options.add(createOptionPane("Plain Message", JOptionPane.PLAIN_MESSAGE));
        options.add(createOptionPane("Error Message", JOptionPane.ERROR_MESSAGE));
        options.add(createOptionPane("Information Message", JOptionPane.INFORMATION_MESSAGE));
        options.add(createOptionPane("Warning Message", JOptionPane.WARNING_MESSAGE));
        options.add(createOptionPane("Want to do something?", JOptionPane.QUESTION_MESSAGE));
        items = new Object[] { "First", "Second", "Third" };
        JComboBox choiceCombo = new JComboBox(items);
        options.add(new JOptionPane(choiceCombo, JOptionPane.QUESTION_MESSAGE, JOptionPane.OK_CANCEL_OPTION),
                "Question Message");
        JFrame frame = new JFrame("JOptionPane'Options");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(options, BorderLayout.CENTER);
        frame.pack();
        frame.setVisible(true);
    }

    static JOptionPane createOptionPane(String message, int type) {
        JOptionPane pane = new JOptionPane(message, type);

        if (type == JOptionPane.QUESTION_MESSAGE) {

            pane.setOptionType(JOptionPane.YES_NO_CANCEL_OPTION);
        }
        return pane;
    }

    public static void main(String[] args) {
        Main test = new Main();
    }
}