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Chapter 14: Problem 6

In this chapter, we use the metaphor of a cookie cutter and cookies that are made from the cookie cutter to describe classes and objects. In this metaphor, are objects the cookie cutter, or the cookies?

Short Answer

Expert verified
Answer: In this metaphor, objects represent the "cookies" made from the "cookie cutter" (class).

Step by step solution

01

Understanding Classes and Objects

In programming, a class is a blueprint or a template from which objects are created. An object is an instance of a class that has specific attributes and behaviors defined by the class.
02

Relating the Metaphor to Programming Concepts

In this metaphor, the "cookie cutter" represents a blueprint or a template, which is the class in programming. The "cookies" represent the instances created from this blueprint, which are the objects in programming.
03

Answering the Question

In this metaphor, objects are the "cookies" made from the "cookie cutter" (class).

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Most popular questions from this chapter

The typical UML diagram for a class has three sections. What appears in these three sections?

You hear someone make the following comment: "A blueprint is a design for a house. A carpenter can use the blueprint to build the house. If the carpenter wishes, he or she can build several identical houses from the same blueprint." Think of this as a metaphor for classes and objects. Does the blueprint represent a class, or does it represent an object?

Look at the following pseudocode class definitions: Class Vegetable Public Module message() Display "I'm a vegetable." End Module End Class Class Potato Extends Vegetable Public Module message() Display "I'm a potato." End Module End Class Given these class definitions, what will the following pseudocode display? Declare Vegetable v Declare Potato p Set v = New Potato() Set p = New Potato() Call v.message() Call p.message()

What is a default constructor?

Why is an object's internal data usually hidden from outside code?
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