Starting Out with Java: From Control Structures through Data Structures (3rd Edition)
3rd Edition
ISBN: 9780134038179
Author: Tony Gaddis, Godfrey Muganda
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 8PC
Parking Ticket Simulator
For this assignment you will design a set of classes that work together to simulate a police officer issuing a parking ticket. You should design the following classes:
- The ParkedCar Class: This class should simulate a parked car. The class’s responsibilities are as follows:
- To know the car’s make, model, color, license number, and the number of minutes that the car has been parked.
- The ParkingMeter Class: This class should simulate a parking meter. The class’s only responsibility is as follows:
- To know the number of minutes of parking time that has been purchased.
- The ParkingTicket Class: This class should simulate a parking ticker. The class’s responsibilities are as follows:
- To report the make, model, color, and license number of the illegally parked car
- To report the amount of the fine, which is $25 for the first hour or part of an hour that the car is illegally parked, plus $10 for every additional hour or part of an hour that the car is illegally parked
- To report the name and badge number of the police officer issuing the ticket
- The PoliceOfficer Class: This class should simulate a police officer inspecting parked cars. The class’s responsibilities are as follows:
- To know the police officer’s name and badge number
- To examine a ParkedCar object and a ParkingMeter object, and determine whether the car’s time has expired
- To issue a parking ticket (generate a ParkingTicket object) if the car’s time has expired
Write a program that demonstrates how these classes collaborate.
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By dragging statements from the left column to the right column below, give a proof by induction of the following statement:
an
=
= 9" - 1 is a solution to the recurrence relation an = 9an-18 with ao
=
: 0.
The correct proof will use 8 of the statements below.
Statements to choose from:
Note that a₁ =
9a0 + 8.
Now assume that P(n) is true for all n ≥ 0.
Your Proof: Put chosen statements in order in this
column and press the Submit Answers button.
Let P(n) be the predicate, "a = 9″ – 1".
απ = 90 − 1 =
Note that
Let P(n) be the predicate, "an
9" - 1 is a
solution to the recurrence relation an = 9an-1 +8
with ao = 0."
-
Now assume that P(k + 1) is true.
Thus P(k) is true for all k.
Thus P(k+1) is true.
Then ak+1
=
9ak +8, so P(k + 1) is true.
= 1 − 1 = 0, as required.
Then = 9k — 1.
ak
Now assume that P(k) is true for an arbitrary
integer k ≥ 1.
By the recurrence relation, we have
ak+1 =
ak+1 =
= 9ak + 8 = 9(9k − 1) + 8
This simplifies to
9k+19+8 = 9k+1 − 1
Then 9k+1 − 1 = 9(9*…
Given the following request to an AI chatbot, which response is more accurate? (You should use Google to verify that the factual claims in each response are accurate.)
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Is this true? The first recorded use of the phrase "when pigs fly" in print is in a 1616 play by Ben Jonson called "The Devil is an Ass," in which a character says, "When pigs fly, good-night!!"
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Chapter 8 Solutions
Starting Out with Java: From Control Structures through Data Structures (3rd Edition)
Ch. 8.1 - Prob. 8.1CPCh. 8.1 - Prob. 8.2CPCh. 8.1 - Describe the limitation of static methods.Ch. 8.8 - Prob. 8.4CPCh. 8.9 - Look at the following statement, which declares an...Ch. 8.9 - Assume that the following enumerated data type has...Ch. 8.9 - Prob. 8.7CPCh. 8 - This type of method cannot access any non-static...Ch. 8 - Prob. 2MCCh. 8 - If you write this method for a class, Java will...
Ch. 8 - Making an instance of one class a field in another...Ch. 8 - This is the name of a reference variable that is...Ch. 8 - This enum method returns the position of an enum...Ch. 8 - Assuming the following declaration exists: enum...Ch. 8 - You cannot use the fully qualified name of an enum...Ch. 8 - The Java Virtual Machine periodically performs...Ch. 8 - If a class has this method, it is called...Ch. 8 - CRC stands for a. Class, Return value, Composition...Ch. 8 - True or False: A static member method may refer to...Ch. 8 - True or False: All static member variables are...Ch. 8 - Prob. 14TFCh. 8 - Prob. 15TFCh. 8 - Prob. 16TFCh. 8 - True or False: Enumerated data types are actually...Ch. 8 - True or False: enum constants have a toString...Ch. 8 - public class MyClass { private int x; private...Ch. 8 - Assume the following declaration exists : enum...Ch. 8 - Consider the following class declaration: public...Ch. 8 - Consider the following class declaration: public...Ch. 8 - A pet store sells dogs, cats, birds, and hamsters....Ch. 8 - Prob. 1SACh. 8 - Prob. 2SACh. 8 - Prob. 3SACh. 8 - Even if you do not write an equals method for a...Ch. 8 - A has a relationship can exist between classes....Ch. 8 - Prob. 6SACh. 8 - Is it advisable or not advisable to write a method...Ch. 8 - Prob. 8SACh. 8 - Look at the following declaration: enum Color {...Ch. 8 - Assuming the following enum declaration exists:...Ch. 8 - Under what circumstances does an object become a...Ch. 8 - Area Class Write a class that has three overloaded...Ch. 8 - BankAccount Class Copy Constructor Add a copy...Ch. 8 - Carpet Calculator The Westfield Carpet Company has...Ch. 8 - LandTract Class Make a LandTract class that has...Ch. 8 - Month Class Write a class named Month. The class...Ch. 8 - CashRegister Class Write a CashRegister class that...Ch. 8 - Sales Receipt File Modify the program you wrote in...Ch. 8 - Parking Ticket Simulator For this assignment you...Ch. 8 - Geometry Calculator Design a Geometry class with...Ch. 8 - Car Instrument Simulator For this assignment, you...Ch. 8 - First to One Game This game is meant for two or...Ch. 8 - Heads or TaiLs Game This game is meant for two or...
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