February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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12.10 Buttons That Maintain State
The Swing GUI components contain three types of state buttons—JToggleButton, JCheckBox and JRadioButton—that have on/off or true/false values. Classes JCheckBox and JRadioButton are subclasses of JToggleButton (Fig. 12.14). A JRadioButton is different from a JCheckBox in that normally several JRadioButtons are grouped together and are mutually exclusive—only one in the group can be selected at any time, just like the buttons on a car radio. We first discuss class JCheckBox.
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