Java How to Program, Early Objects, 11th Edition

Exercises

1. 35.4 (Fill-in-the-Blanks) Fill in the blanks in each of the following statements:

   1. A JMenuItem that is a JMenu is called a(n)              .

   2. Method               attaches a JMenuBar to a JFrame.

   3. Container class               has a default BoxLayout.

   4. A(n)               manages a set of child windows declared with class JInternalFrame.

2. 35.5 (True or False) State whether each of the following is true or false. If false, explain why.

   1. Menus require a JMenuBar object so they can be attached to a JFrame.

   2. BoxLayout is the default layout manager for a JFrame.

   3. JApplets can contain menus.

3. 35.6 (Find the Code Errors) Find the error(s) in each of the following. Explain how to correct the error(s).

   1. x.add(new JMenuItem(“Submenu Color”)); ...