Button Design

• JButtons are a good example of the Model, View Control structure Java, *ahem*, borrowed and modified from Smalltalk

AbstractButton

implements ItemSelectable, SwingConstants

Defines the common behaviors for the JButton, JToggleButton, JCheckbox, and the JRadioButton classes.

java.lang.Object

|

+--java.awt.Component

|

+--java.awt.Container

|

+--javax.swing.JComponent

|

+--javax.swing.AbstractButton

|

+--javax.swing.JButton

public abstract interface javax.swing.ButtonModel

extends ItemSelectable

hasA

The ButtonModel provides the

state machine for Button behavior

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