Chapter 13.8, Problem 13.16CP

Explanation of Solution

Creating a check box menu item class:

• User can create a check menu item using “JCheckBoxMenuItem” class.
  • The object of “JCheckBoxMenuItem” performs an action event, when the user selects it.
• The check menu item shows that may be selected or deselected.
  • When it is selected, the check mark displays next to a menu item.
  • When it is deselected, the check mark does not display...

Explanation of Solution

Justification:

• The “String” argument is accepted b...

Explanation of Solution

Selecting check menu item in code:

• User can select an item in code using the class’s “setSelected” method.
  • This method takes a “boolean” argument.
  • If the method takes “true” argument, then the menu item will be selected.
  • If the method takes “false” argument, then the menu item will be deselected...