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.

Understand the basics of e-text and the technology and formats used by digital reading devices.

Understand the definition and types of electronic texts (e-texts).

Recognize the variety of e-readers and their distinguishing features.

Identify the advantages and disadvantages of E ink versus backlit e-readers in different lighting conditions.

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Definitions:

Age

refers to the length of time that an individual or entity has existed, typically measured in years.

Effect Size

A quantitative measure of the magnitude of a phenomenon, used to indicate the size of an effect or difference.

Sample

A subset of individuals from a larger population used to conduct research or test theories.

Correlation Coefficient

A statistical measure that indicates the extent to which two or more variables fluctuate together. A higher absolute value suggests a stronger relationship.