You Have a Class That Extends the JComponent Class

question 96

Multiple Choice

You have a class that extends the JComponent class.In this class you have created a painted graphical object.Your code will change the data in the graphical object.What additional code is needed to ensure that the graphical object will be updated with the changed data?

• A)You must call the component object's paintComponent() method.
• B)You must call the component object's repaint() method.
• C)You do not have to do anything - the component object will be automatically repainted when its data changes.
• D)You must use a Timer object to cause the component object to be updated.

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