Chapter 13, Problem 9SA

Explanation of Solution

“JCheckBoxMenuItem”:

• The “JCheckBoxMenuItem” class denotes a check box which can be included in a menu. Choosing the check box in the menu changes the control state from off to on or from on to off.
• The parameter passed by the user is a string value that is displayed on the menu item.
• To cause it to be initially selected, the user pass “true” as an optional second argument to the constructor.

Example:

Consider an example for “JCheckBoxMenuItem” is as follows:

//create a check box menu item

JCheckBoxMenuItem f...