AddingDropDownMenus.java Source code

Introduction

Here is the source code for AddingDropDownMenus.java

Source

import javax.swing.ButtonGroup;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;

public class AddingDropDownMenus extends JFrame {
    private JMenuBar menuBar = new JMenuBar(); // Window menu bar
    private JMenuItem newItem, openItem, closeItem, saveItem, saveAsItem, printItem;
    private JRadioButtonMenuItem lineItem, rectangleItem, circleItem;
    private JCheckBoxMenuItem redItem, yellowItem;

    public AddingDropDownMenus() {
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setJMenuBar(menuBar);
        JMenu fileMenu = new JMenu("File");
        JMenu elementMenu = new JMenu("Elements");
        newItem = fileMenu.add("New");
        openItem = fileMenu.add("Open");
        closeItem = fileMenu.add("Close");
        fileMenu.addSeparator();
        saveItem = fileMenu.add("Save");
        saveAsItem = fileMenu.add("Save As...");
        fileMenu.addSeparator();
        printItem = fileMenu.add("Print");
        elementMenu.add(lineItem = new JRadioButtonMenuItem("Line", true));
        elementMenu.add(rectangleItem = new JRadioButtonMenuItem("Rectangle", false));
        elementMenu.add(circleItem = new JRadioButtonMenuItem("Circle", false));
        ButtonGroup types = new ButtonGroup();
        types.add(lineItem);
        types.add(rectangleItem);
        types.add(circleItem);
        elementMenu.addSeparator();
        elementMenu.add(redItem = new JCheckBoxMenuItem("Red", false));
        elementMenu.add(yellowItem = new JCheckBoxMenuItem("Yellow", false));
        menuBar.add(fileMenu);
        menuBar.add(elementMenu);
    }

    public static void main(String[] a) {
        AddingDropDownMenus window = new AddingDropDownMenus();
        window.setBounds(30, 30, 300, 300); // Size
        window.setVisible(true);
    }
}