31.16. Review Questions

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Chapter 29. Menus , Toolbars, Dialogs, and Internal Frames

Mayan God Shel, Mexico. Photographer: Philip Coblentz. Courtesy Brand X Pictures.

Objectives

• To create menus using components JMenuBar , JMenu , JMenuItem , JCheckBoxMenuItem , and JRadioButtonMenuItem ( §29.2).

• To create popup menus using components JPopupMenu , JMenuItem , JCheckBoxMenuItem , and JRadioButtonMenuItem ( §29.3).

• To use JToolBar to create tool bars ( §29.4).

• To use Action objects to generalize the code for processing actions ( §29.5).

• To create standard dialogs using the JOptionPane class ( §29.6).

• To extend the JDialog class to create custom dialogs ( §29.7).

• To select colors using JColorChooser ( §29.8).

• To use JFileChooser to display Open and Save File dialogs ( §29.9).

• (Optional) To create internal frames using JInternalFrame ( §29.10).

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29.1. Introduction

Java provides a comprehensive solution for building graphical user interfaces. This chapter introduces menus, popup menus, tool bars, dialogs, and internal frames. You will also learn how to use Action objects to generalize the code for processing actions.