Data Structures and Algorithms in Java
6th Edition
ISBN: 9781118771334
Author: Michael T. Goodrich
Publisher: WILEY
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Textbook Question
Chapter 1, Problem 11R
Modify the CreditCard class from Code Fragment 1.5 to include a method that updates the credit limit.
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Can you implement an interface in your class? A solution is placed in the
"solution" section to help you, but we would suggest you try to solve it on
your own first.
Problem Statement#
You are given an interface Addition which contains a method signature int
add(int num1, int num2). You need to write a class called Calculator which
implements the Addition interface.
The add(int, int) method takes two integers and returns their sum.
Input#
Calls the add(int, int) method by passing num1 and num2.
Output#
Returns the addition of num1 and num2.
Take the tax program from the last homework assignment and implement it using classes and objects instead.
To do so, create a class definition for a class called Customer with attributes income and tax. It should also have a set method for income, and a calcTax() method to assign tax and return it. As a reminder, the tax is calculated as follows:
Income
Tax Due
$0 - $50,000
5%
$50,000-$100,000
$2,500 + 10% of (income > $50,000)
> $100,000
$7,500 + 15% of (income > $100,000)
Create a Customer object in main, have the user enter the income and assign this to the income variable of the Customer object, and then call the calcTax() method for the Customer object and print the tax due.
Exercise (Section 30/40):
Implement a superclass Appointment and subclasses Onetime, Daily, and Monthly. An
appointment has a description (for example, "see the dentist") and a date. Write a method
occursOn(int year, int month, int day) that checks whether the appointment occurs on that date.
For example, for a monthly appointment, you must check whether the day of the month matches.
Then fill an array of Appointment objects with a mixture of appointments. Have the user enter a
date and print out all appointments that occur on that date. Give the user the option to add new
appointments. The user must specify the type of the appointment, the description, and the date.
Chapter 1 Solutions
Data Structures and Algorithms in Java
Ch. 1 - Prob. 1RCh. 1 - Suppose that we create an array A of GameEntry...Ch. 1 - Write a short Java method, isMultiple, that takes...Ch. 1 - Write a short Java method, isEven, that takes an...Ch. 1 - Write a short Java method that takes an integer n...Ch. 1 - Write a short Java method that takes an integer n...Ch. 1 - Write a short Java method that takes an integer n...Ch. 1 - Write a short Java method that counts the number...Ch. 1 - Prob. 9RCh. 1 - Prob. 10R
Ch. 1 - Modify the CreditCard class from Code Fragment 1.5...Ch. 1 - Prob. 12RCh. 1 - Modify the declaration of the first for loop in...Ch. 1 - Prob. 14CCh. 1 - Write a pseudocode description of a method for...Ch. 1 - Write a short program that takes as input three...Ch. 1 - Write a short Java method that takes an array of...Ch. 1 - Prob. 18CCh. 1 - Write a Java program that can take a positive...Ch. 1 - Write a Java method that takes an array of float...Ch. 1 - Write a Java method that takes an array containing...Ch. 1 - Prob. 22CCh. 1 - Write a short Java program that takes two arrays a...Ch. 1 - Modify the CreditCard class from Code Fragment 1.5...Ch. 1 - Modify the CreditCard class to add a toString()...Ch. 1 - Write a short Java program that takes all the...Ch. 1 - Write a Java program that can simulate a simple...Ch. 1 - A common punishment for school children is to...Ch. 1 - The birthday paradox says that the probability...Ch. 1 - (For those who know Java graphical user interface...
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