Take Assessment: Practical Quiz 8
Please answer the following question(s).
If the assessment includes multiple-choice questions, click the "Submit
Answers" button when you have completed those questions.
You have 120 minutes to take this assessment.
Please complete this assessment by Thu Dec 20 2007 22:34:04 GMT+0800.
1. Go to bottom of question.
VHS and DVD Movies
Prerequisites, Goals, and Outcomes
Prerequisites:
Before you begin this exercise, you need mastery of the
following:
•
Object Oriented Programming
o Knowledge of abstract classes
How to define an abstract class
o Knowledge of interfaces
How to define an interface
How to define a class that implements an
interface
Goals:
Reinforce your ability to use Java interfaces and abstract
classes
Outcomes:
You will demonstrate mastery of the following:
• Writing interfaces
• Writing classes that implement interfaces
• Writing abstract classes
Background
In this assignment, you will create the following classes and
interfaces:
