Java: An Introduction to Problem Solving and Programming (7th Edition)

7th Edition

ISBN: 9780133766264

Author: Walter Savitch

Publisher: PEARSON

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Math class and its different methods

Java math class consists of arithmetic math methods that performs basic numeric operations such as finding the maximum or minimum of two values, rounding values, logarithmic functions, square root, and trigonometric functions, etc. The Math library funct…

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Textbook Question

Chapter 6.3, Problem 28STQ

Consider the variable allCents in the method writePositive in Listing 6.14. It holds an amount of money as if it were all cents. So for the amount $12.95, the int variable allCents would be set to 1295. Using an int variable is somewhat limiting. The largest value of type int is 2147483647, meaning that the largest amount the method can handle a $21,474,836.47. That is more than $21 million, a nice large sum, but we often need to consider larger amounts, such as the national budget or even the salary for the CEO of a large company. How can you easily change the definitions of the methods in the class DollarFormat so that they handle larger amounts of money?

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Chapter 6.3, Problem 27STQ

Chapter 6.3, Problem 29STQ

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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. 6STQ Ch. 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. 13STQ Ch. 6.2 - Prob. 14STQ Ch. 6.2 - Prob. 15STQ Ch. 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. 27STQ Ch. 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. 30STQ Ch. 6.3 - In your definition of the class OutputFormat. In...Ch. 6.4 - Prob. 32STQ Ch. 6.4 - Prob. 33STQ Ch. 6.4 - Prob. 34STQ Ch. 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. 43STQ Ch. 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. 46STQ Ch. 6.8 - Prob. 47STQ Ch. 6.8 - Prob. 48STQ Ch. 6.8 - Prob. 49STQ Ch. 6.8 - Prob. 50STQ Ch. 6.8 - Prob. 51STQ Ch. 6.8 - Revise the applet in Listing 6.24 so that the...Ch. 6 - Prob. 1E Ch. 6 - Prob. 2E Ch. 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. 12E Ch. 6 - Modify the definition of the class Species in...Ch. 6 - Prob. 2P Ch. 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. 12PP Ch. 6 - Prob. 13PP Ch. 6 - Prob. 14PP Ch. 6 - Prob. 15PP

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