Building Java Programs: A Back To Basics Approach (5th Edition)
5th Edition
ISBN: 9780135471944
Author: Stuart Reges, Marty Stepp
Publisher: PEARSON
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Chapter 9.3, Problem 10SCP
a.
Explanation of Solution
Given statement:
Vehicle v = new Car ();
Legal statement:
The given statement is a legal statement.
Reasons:
- In the given statement, “v” is a reference to “Car” object,
- Since “Car” is a subclass of “Vehicle”, it is allowable to assign “v” a reference to the “Car” object...
b.
Explanation of Solution
Given statement:
Vehicle v = new SUV ();
Legal statement:
The given statement is a legal statement.
Reasons:
- In the given statement, “v” is a reference to “SUV” object,
- “Car” is a super class of “SUV” and “Vehicle” is a super class of “Car”. Hence, “Vehicle” is also a super class of “SUV”...
c.
Explanation of Solution
Given statement:
Car c = new SUV ();
Legal statement:
The given statement is a legal statement.
Reasons:
- In the given statement, “c” is a reference to “SUV” object,
- Since “SUV” is a subclass of “Car”, it is allowable to assign “c” a reference to the “SUV” object...
d.
Explanation of Solution
Given statement:
SUV s = new SUV ();
Legal statement:
The given statement is a legal statement.
Reasons:
- In the given statement, “s...
e.
Explanation of Solution
Given statement:
SUV s = new Car ();
Illegal statement:
The given statement is an illegal statement.
Reasons:
- In the given statement, “s” is a reference to “Car” object,
- Since “Car&...
f.
Explanation of Solution
Given statement:
Car c = new Vehicle ();
Illegal statement:
The given statement is an illegal statement.
Reasons:
- In the given statement, “c” is a reference to “Vehicle” object,
- Since “Vehi...
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Chapter 9 Solutions
Building Java Programs: A Back To Basics Approach (5th Edition)
Ch. 9.1 - Prob. 1SCPCh. 9.1 - Prob. 2SCPCh. 9.1 - Prob. 3SCPCh. 9.2 - Prob. 4SCPCh. 9.2 - Prob. 5SCPCh. 9.2 - Write a constructor for the UndergraduateStudent...Ch. 9.2 - Prob. 7SCPCh. 9.2 - Prob. 8SCPCh. 9.2 - Suppose the Truck code from the previous problem...Ch. 9.3 - Consider the following classes:
public class...
Ch. 9.3 - Using the A, B, C, and D classes from this...Ch. 9.3 - Assume that the following classes have been...Ch. 9.3 -
Using the classes from the previous problem,...Ch. 9.3 - Prob. 14SCPCh. 9.3 - Prob. 15SCPCh. 9.3 - Prob. 16SCPCh. 9.3 - Prob. 17SCPCh. 9.4 - What is the difference between an is-a and a has-a...Ch. 9.4 - Prob. 19SCPCh. 9.4 - Prob. 20SCPCh. 9.4 - Prob. 21SCPCh. 9.5 - Prob. 22SCPCh. 9.5 - Prob. 23SCPCh. 9.5 - Prob. 24SCPCh. 9.5 - Prob. 25SCPCh. 9.5 - Prob. 26SCPCh. 9.6 - What is an abstract class? How is an abstract...Ch. 9.6 - Prob. 28SCPCh. 9.6 - Consider writing a program to be used to manage a...Ch. 9 - Prob. 1ECh. 9 -
Write a class Janitor to accompany the other law...Ch. 9 - Write a class HarvardLawyer to accompany the other...Ch. 9 - Write a class MonsterTruck that relates to the Car...Ch. 9 - Prob. 6ECh. 9 - Prob. 9ECh. 9 -
FilteredAccount. A cash processing company has a...Ch. 9 - Add an equals method to the TimeSpan class...Ch. 9 - Add an equals method to the Cash class introduced...Ch. 9 -
Write a class named Octagon whose objects...Ch. 9 -
Write a class named Hexagon whose objects...Ch. 9 -
Write a class named Dodecagon whose objects...Ch. 9 -
Declare an interface called Incrementable which...
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