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Inheritance and Interfaces 24. What's wrong with the code for the following interface? What should be changed to make a valid interface for objects that have colors? public interface Colored { private Color color; public Color getColor() { return color; } }

Inheritance and Interfaces 24. What's wrong with the code for the following interface? What should be changed to make a valid interface for objects that have colors? public interface Colored { private Color color; public Color getColor() { return color; } }

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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656 Chapter 9 Inheritance and Interfaces 24. What's wrong with the code for the following interface? What should be changed objects that have colors? public interface Colored { private Color color; public Color getColor() { return color; } } to make a valid interface for 25. Modify the Point class from Chapter 8 so that it implements the Colored interface and Points have colors. (You may wish to create a ColoredPoint class that extends Point.) 26. Declare a method called getSideCount in the Shape interface that returns the number of sides that the shape has. Implement the method in all shape classes. A circle is defined to have 0 sides. Section 9.6: Case Study: Financial C
Transcribed Image Text:656 Chapter 9 Inheritance and Interfaces 24. What's wrong with the code for the following interface? What should be changed objects that have colors? public interface Colored { private Color color; public Color getColor() { return color; } } to make a valid interface for 25. Modify the Point class from Chapter 8 so that it implements the Colored interface and Points have colors. (You may wish to create a ColoredPoint class that extends Point.) 26. Declare a method called getSideCount in the Shape interface that returns the number of sides that the shape has. Implement the method in all shape classes. A circle is defined to have 0 sides. Section 9.6: Case Study: Financial C
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