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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Definitions:

Plant

In terms of fixed assets, it refers to the buildings, machinery, equipment, and property used in the operations of a business.

Inventories

Items held for sale in the ordinary course of business, in the process of production for such sale, or in the form of materials or supplies to be consumed in the production process.

Useful Life

The period over which an asset is expected to be usable by an entity, affecting its depreciation or amortization.

Straight-line Method

A method of calculating depreciation of an asset where the cost is evenly allocated over its useful life, resulting in a consistent expense each period.