# 1 2 3 4 Question An abstract class can be instantiated as an object. From the example above, the Shape class is an abstract class and the Circle class is a concrete class. Consider a program that catalogs the types of trees in a forest. Each tree object contains the tree's species type, age, and location. This program will benefit from an abstract class to represent the trees. Consider a program that catalogs the types of trees in a forest. Each tree object contains the tree's species type, age, location, and estimated size based on age. Each species uses a different formula to estimate size based on age. This program will benefit from an abstract class. Answer True False True False True False True False
# 1 2 3 4 Question An abstract class can be instantiated as an object. From the example above, the Shape class is an abstract class and the Circle class is a concrete class. Consider a program that catalogs the types of trees in a forest. Each tree object contains the tree's species type, age, and location. This program will benefit from an abstract class to represent the trees. Consider a program that catalogs the types of trees in a forest. Each tree object contains the tree's species type, age, location, and estimated size based on age. Each species uses a different formula to estimate size based on age. This program will benefit from an abstract class. Answer True False True False True False True False
Chapter11: Advanced Inheritance Concepts
Section: Chapter Questions
Problem 2PE
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Concept explainers
OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
Question
For the following questions, highlight your answer (True/False).
![#
3
4
Question
An abstract class can be instantiated as an object.
From the example above, the Shape class is an
abstract class and the Circle class is a concrete
class.
Consider a program that catalogs the types of
trees in a forest. Each tree object contains the
tree's species type, age, and location. This
program will benefit from an abstract class to
represent the trees.
Consider a program that catalogs the types of
trees in a forest. Each tree object contains the
tree's species type, age, location, and estimated
size based on age. Each species uses a different
formula to estimate size based on age. This
program will benefit from an abstract class.
Consider a program that maintains a grocery list.
Each item, like eggs, has an associated price and
weight. Each item belongs to a category like
produce, meat, or cereal, where each category
has additional features, such as meat having a
"sell by" date. This program will benefit from an
abstract class.
Answer
True
False
True
False
True
False
True
False
True
False](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faa47fe7e-41f9-4aff-97dd-6182f6f05fcb%2F35e764b8-a656-4ac7-a014-0056c25a825f%2Fzdu2oy9_processed.png&w=3840&q=75)
Transcribed Image Text:#
3
4
Question
An abstract class can be instantiated as an object.
From the example above, the Shape class is an
abstract class and the Circle class is a concrete
class.
Consider a program that catalogs the types of
trees in a forest. Each tree object contains the
tree's species type, age, and location. This
program will benefit from an abstract class to
represent the trees.
Consider a program that catalogs the types of
trees in a forest. Each tree object contains the
tree's species type, age, location, and estimated
size based on age. Each species uses a different
formula to estimate size based on age. This
program will benefit from an abstract class.
Consider a program that maintains a grocery list.
Each item, like eggs, has an associated price and
weight. Each item belongs to a category like
produce, meat, or cereal, where each category
has additional features, such as meat having a
"sell by" date. This program will benefit from an
abstract class.
Answer
True
False
True
False
True
False
True
False
True
False
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