Starting Out with Java: Early Objects, Student Value Edition (6th Edition)

6th Edition

ISBN: 9780134457918

Author: GADDIS, Tony

Publisher: PEARSON

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Textbook Question

Chapter 7, Problem 6PC

Driver’s License Exam

The local Driver’s License Office has asked you to write a program that grades the written portion of the driver’s license exam. The exam has 20 multiple choice questions. Here are the correct answers:

1. B
2. D
3. A
4. A
5. C
6. A
7. B
8. A
9. C
10. D
11. B
12. C
13. D
14. A
15. D
16. C
17. C
18. B
19. D
20. A

A student must correctly answer 15 of the 20 questions to pass the exam.

Write a class named DriverExam that holds the correct answers to the exam in an array field. The class should also have an array field that holds the student’s answers. The class should have the following methods:

passed. Returns true if the student passed the exam, or false if the student failed
totalCorrect. Returns the total number of correctly answered questions
totalIncorrect. Returns the total number of incorrectly answered questions
questionsMissed. An int array containing the question numbers of the questions that the student missed

Demonstrate the class in a complete program that asks the user to enter a student’s answers, and then displays the results returned from the DriverExam class’s methods.

Input Validation: Only accept the letters A, B, C, or D as answers.

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Chapter 7, Problem 5PC

Chapter 7, Problem 7PC

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Chapter 7 Solutions

Starting Out with Java: Early Objects, Student Value Edition (6th Edition)

Ch. 7.1 - Write statements that create the following arrays:...Ch. 7.1 - Whats wrong with the following array declarations?...Ch. 7.1 - Prob. 7.3CP Ch. 7.1 - Prob. 7.4CP Ch. 7.1 - Prob. 7.5CP Ch. 7.1 - Prob. 7.6CP Ch. 7.1 - Prob. 7.7CP Ch. 7.1 - Prob. 7.8CP Ch. 7.2 - Prob. 7.9CP Ch. 7.2 - Prob. 7.10CP

Ch. 7.2 - A program has the following declaration: double[]...Ch. 7.2 - Look at the following statements: final in...Ch. 7.3 - Look at the following method header: public static...Ch. 7.3 - Write a method named zero, which accepts an int...Ch. 7.6 - Prob. 7.15CP Ch. 7.7 - Recall that we discussed a Rectangle class in...Ch. 7.9 - What value in an array does the selection sort...Ch. 7.9 - How many times will the selection sort swap the...Ch. 7.9 - Prob. 7.19CP Ch. 7.9 - Prob. 7.20CP Ch. 7.9 - If a sequential search is performed on an array,...Ch. 7.11 - Prob. 7.22CP Ch. 7.13 - What import statement must you include in your...Ch. 7.13 - Write a statement that creates an ArrayList object...Ch. 7.13 - Write a statement that creates an ArrayList object...Ch. 7.13 - Prob. 7.26CP Ch. 7.13 - Prob. 7.27CP Ch. 7.13 - Prob. 7.28CP Ch. 7.13 - Prob. 7.29CP Ch. 7.13 - Prob. 7.30CP Ch. 7.13 - Prob. 7.31CP Ch. 7 - Prob. 1MC Ch. 7 - Prob. 2MC Ch. 7 - Prob. 3MC Ch. 7 - Prob. 4MC Ch. 7 - Array bounds checking happens. a. when the program...Ch. 7 - Prob. 6MC Ch. 7 - Prob. 7MC Ch. 7 - Prob. 8MC Ch. 7 - Prob. 9MC Ch. 7 - Prob. 10MC Ch. 7 - To store an item in an ArrayList object, use this...Ch. 7 - Prob. 12MC Ch. 7 - To delete an item from an ArrayList object, you...Ch. 7 - Prob. 14TF Ch. 7 - Prob. 15TF Ch. 7 - Prob. 16TF Ch. 7 - Prob. 17TF Ch. 7 - Prob. 18TF Ch. 7 - Prob. 19TF Ch. 7 - True or False: The Java compiler does not display...Ch. 7 - Prob. 21TF Ch. 7 - True or False: The first size declarator in the...Ch. 7 - Prob. 23TF Ch. 7 - Prob. 24TF Ch. 7 - int[] collection = new int[-20];Ch. 7 - Prob. 2FTE Ch. 7 - Prob. 3FTE Ch. 7 - Prob. 4FTE Ch. 7 - Prob. 5FTE Ch. 7 - Prob. 1AW Ch. 7 - Prob. 2AW Ch. 7 - Prob. 3AW Ch. 7 - In a program you need to store the populations of...Ch. 7 - In a program you need to store the identification...Ch. 7 - Prob. 6AW Ch. 7 - Prob. 7AW Ch. 7 - Prob. 8AW Ch. 7 - Prob. 9AW Ch. 7 - Prob. 10AW Ch. 7 - Prob. 11AW Ch. 7 - Prob. 1SA Ch. 7 - Prob. 2SA Ch. 7 - Prob. 3SA Ch. 7 - Prob. 4SA Ch. 7 - Prob. 5SA Ch. 7 - The following statement creates an InventoryItem...Ch. 7 - Prob. 7SA Ch. 7 - Prob. 8SA Ch. 7 - Rainfall Class Write a RainFall class that stores...Ch. 7 - Payroll Class Write a Payroll class that uses the...Ch. 7 - Charge Account Validation Create a class with a...Ch. 7 - Prob. 4PC Ch. 7 - Charge Account Modification Modify the charge...Ch. 7 - Drivers License Exam The local Drivers License...Ch. 7 - Magic 8 Ball Write a program that simulates a...Ch. 7 - Grade Book A teacher has five students who have...Ch. 7 - Grade Book Modification Modify the grade book...Ch. 7 - Average Steps Taken A Personal Fitness Tracker is...Ch. 7 - ArrayOperations Class Write a class name...Ch. 7 - 12.1994 Gas Prices In the student sample programs...Ch. 7 - Sorted List of 1994 Gas Prices Note: This...Ch. 7 - Name Search If you have downloaded this books...Ch. 7 - Population Data If you have downloaded this books...Ch. 7 - World Series Champions If you have downloaded this...Ch. 7 - Search Benchmarks Modify the sequentialSearch and...Ch. 7 - 2D Array Operations Write a program that creates a...Ch. 7 - Prob. 19PC Ch. 7 - Trivia Game In this programming challenge, you...Ch. 7 - Prob. 21PC

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