You Have a Class Which Extends the JComponent Class

question 2

Multiple Choice

You have a class which 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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Definitions:

Congestive Heart Failure

A condition in which the heart's ability to pump blood is decreased, leading to symptoms like shortness of breath, fatigue, and fluid buildup.

Constituents Of Urine

The chemical components of urine, which include water, urea, ions, and traces of organic compounds, varying with diet and health.

Uric Acid

A waste product found in the blood, resulting from the breakdown of cells and foods, which is usually expelled in urine.

Creatinine

A waste product produced by muscles from the breakdown of a compound called creatine, which is involved in the generation of energy in the body. It is removed from the body by the kidneys.