Java: An Introduction to Problem Solving and Programming (7th Edition)
7th Edition
ISBN: 9780133766264
Author: Walter Savitch
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 10PP
Write a program that will record the votes for one of two candidates by using the class VoteRecorder, which you will design and create. Vote Recorder will have static variables to keep track of the total votes for candidates and instance variables to keep track of the votes made by a single person. It will have the following attributes.
- nameCandidatePresident11—a static String that holds the name of the first candidate for president
- nameCandidatePresident2—a static string that holds the name of the second candidate for president
- nameCandidateVicePresident1 —a static string that holds the name of the first candidate for Vice president
- nameCandidateVicePresident2—a static string that holds the name of the second candidate for Vice president
- votesCondidatePresident1—a static integer that holds the number of votes for the first candidate for president
- votesCandidatePresident2—a static integer that holds the number of voles for the second candidate for president
- votesCandidateVicePresident1—a static integer that holds the number of votes for the first candidate for Vice president
- votesCandidateVicePresident2—a static integer that holds the number of rates for the second candidate for Vice president
- myVoteForPresident—an integer that holds the vote of a single individual for president (0 for no choice, 1 for the first candidate, and 2 for the second candidate)
- myVoteForVicePresident—an integer that holds the vote of a single individual for vice president (0 for no choice, 1 for the first candidate, and 2 for the second candidate)
In addition to appropriate constructors, VotRecorder has the following methods:
- setCandidaterPresident(String name1, String name2)—a static method that sets the names of the names of the two candidates for president
- getCandicateoVicePresident (String name1, string name2)—a static method that sets the names of the two candidates for vice president
- resetVotes—a static method that resets the vote counts to zero
- getCurrentVotePresident—a static method that returns a string with a current total number of votes for both presidential candidates
- getAndConfirmVotes—a non-static method that gets an individual’s votes, confirms then, and then records them
- getAVote(String name1, string name2)—a private method that returns a vote choice for a single race from a individual (0 for no choice, 1 for the first candidate, and 2 for the second candidate)
- getVotes—a private method that returns a vote choice for president and vice president from an individual
- confirmVotes—a private method that displays a person’s vote for president and vice president, asks whether the voter is happy with these choices, and returns true or false according to a yes-or-no response
- recordVotes—a private method that will add an individual’s votes to the appropriate static variables
Create a program that will candidates an election. The candidates for president are Annie and Bob. The candidates for vice president are John and Susan. Use a loop to record the votes of many voters. Create a new Vote Recorder object for each voter. After all the voters are done, present the results.
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Chapter 6 Solutions
Java: An Introduction to Problem Solving and Programming (7th Edition)
Ch. 6.1 - If a class is named Student, what name can you use...Ch. 6.1 - When defining a constructor, what do you specify...Ch. 6.1 - What is a default constructor?Ch. 6.1 - Does every class in Java automatically have a...Ch. 6.1 - In the program PetDemo shown in Listing 6 2, you...Ch. 6.2 - Prob. 6STQCh. 6.2 - Can a class contain both instance variables and...Ch. 6.2 - Can you reference a static variable by name within...Ch. 6.2 - Can you reference an instance variable by name...Ch. 6.2 - Can you reference a static variable by name within...
Ch. 6.2 - Can you reference an instance variable by name...Ch. 6.2 - Is the following valid, given the class...Ch. 6.2 - Prob. 13STQCh. 6.2 - Prob. 14STQCh. 6.2 - Prob. 15STQCh. 6.2 - Is the following valid, given the class...Ch. 6.2 - What values are returned by each of the following?...Ch. 6.2 - Suppose that speed is a variable of type double...Ch. 6.2 - Repeat the previous question, but instead assign...Ch. 6.2 - Suppose that nl is of type int and n2 is of type...Ch. 6.2 - Define a class CircleCalculator that hat only two...Ch. 6.2 - Which of the following statements are legal?...Ch. 6.2 - Write a Java expression to convert the number in...Ch. 6.2 - Consider the variable 5 of type String that...Ch. 6.2 - Repeat the previous question, but accommodate a...Ch. 6.2 - Write Java code to display the largest and...Ch. 6.3 - Prob. 27STQCh. 6.3 - Consider the variable allCents in the method...Ch. 6.3 - What is wrong with a program that starts as...Ch. 6.3 - Prob. 30STQCh. 6.3 - In your definition of the class OutputFormat. In...Ch. 6.4 - Prob. 32STQCh. 6.4 - Prob. 33STQCh. 6.4 - Prob. 34STQCh. 6.4 - Consider the class Species in Listing 5.19 of...Ch. 6.4 - Repeat the previous question for a method...Ch. 6.4 - Still considering the class Species in Listing...Ch. 6.4 - Rewrite the method add in Listing 6.16 so that it...Ch. 6.4 - In Listing 6.16, the set method that has a String...Ch. 6.5 - Give the definitions of three accessor methods...Ch. 6.6 - If cardSuit is an instance of Suit and is assigned...Ch. 6.7 - Suppose you want to use classes in the package...Ch. 6.7 - Prob. 43STQCh. 6.7 - Can a package have any name you might want, or are...Ch. 6.7 - On your system, place the class Pet (Listing 6.1)...Ch. 6.8 - Prob. 46STQCh. 6.8 - Prob. 47STQCh. 6.8 - Prob. 48STQCh. 6.8 - Prob. 49STQCh. 6.8 - Prob. 50STQCh. 6.8 - Prob. 51STQCh. 6.8 - Revise the applet in Listing 6.24 so that the...Ch. 6 - Prob. 1ECh. 6 - Prob. 2ECh. 6 - Write a default constructor and a second...Ch. 6 - Write a constructor for the class...Ch. 6 - Consider a class characteristic that will be used...Ch. 6 - Create a class RoomOccupancy that can be used to...Ch. 6 - Write a program that tests the class RoomOccupancy...Ch. 6 - Sometimes we would like a class that has just a...Ch. 6 - Create a program that tests the class Merlin...Ch. 6 - In the previous chapter, Self-Test Question 16...Ch. 6 - Create a class Android whose objects have unique...Ch. 6 - Prob. 12ECh. 6 - Modify the definition of the class Species in...Ch. 6 - Prob. 2PCh. 6 - Using the class Pet from Listing 6.1, write a...Ch. 6 - Do Practice Program 4 from Chapter 5 except define...Ch. 6 - The following class displays a disclaimer every...Ch. 6 - Do Practice Program 5 from Chapter 5 but add a...Ch. 6 - We can improve the Beer class from the previous...Ch. 6 - Define a utility class for displaying values of...Ch. 6 - Write a new class TruncatedDollarFormat that is...Ch. 6 - Complete and fully test the class Time that...Ch. 6 - Complete and fully test the class Characteristic...Ch. 6 - Write a Java enumeration LetterGrade that...Ch. 6 - Complete and fully test the class Per n that...Ch. 6 - Write a Temperature class that represents...Ch. 6 - Repeat Programming Project 8 of the previous...Ch. 6 - Write and fully test a class that represents...Ch. 6 - Write a program that will record the votes for one...Ch. 6 - Repeat Programming Project 10 from Chapter 5, but...Ch. 6 - Prob. 12PPCh. 6 - Prob. 13PPCh. 6 - Prob. 14PPCh. 6 - Prob. 15PP
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