
Big Java, Binder Ready Version: Early Objects
6th Edition
ISBN: 9781119056447
Author: Cay S. Horstmann
Publisher: WILEY
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Chapter 8.2, Problem 7SC
Program Plan Intro
Accessor:
- The accessor is a method that does not changes the state of an object. The accessor method tells the object to compute something without changing its state.
- For example,
//calling the accessor method
double height = rectangle.getHeight();
- In the above example, the object “rectangle” tells the method “getHeight()” to find the height. So, it does not change the state of the value. Because the method only finds the value and it save to the variable “height”.
- Here, the method “getHeight()” is a accessor.
Mutator:
- The mutator is a method that change the object’s state. That is mutator modifies the object by which it is called.
- For example,
//calling the mutator method
rectangle.setHeight(1000);
- In the above example, the method “setHeight()” is a mutator because it initializes some values to the members of the object “rectangle”and thus changes the state of the object.
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Chapter 8 Solutions
Big Java, Binder Ready Version: Early Objects
Ch. 8.1 -
What is a simple rule of thumb for finding...Ch. 8.1 -
Your job is to write a program that plays chess....Ch. 8.2 - Prob. 3SCCh. 8.2 -
Why does the Coin class not depend on the...Ch. 8.2 -
Why is it a good idea to minimize dependencies...Ch. 8.2 - Prob. 6SCCh. 8.2 -
Is the Rectangle class immutable?
Ch. 8.2 - Prob. 8SCCh. 8.2 -
Consider the Student class of Chapter 7. Suppose...Ch. 8.3 - Prob. 10SC
Ch. 8.3 - Prob. 11SCCh. 8.3 - Prob. 12SCCh. 8.3 - Suppose we want to enhance the CashRegister class...Ch. 8.3 - Consider an Employee class with properties for tax...Ch. 8.3 - Suppose the setName method in Section 8.3.4 is...Ch. 8.3 - Prob. 16SCCh. 8.4 -
Name two static variables of the System class.
Ch. 8.4 - Prob. 18SCCh. 8.4 - The following method computes the average of an...Ch. 8.4 - Harry tells you that he has found a great way to...Ch. 8.5 - Prob. 21SCCh. 8.5 - Prob. 22SCCh. 8.5 - Prob. 23SCCh. 8.5 - Consider the task of finding numbers in a string....Ch. 8.6 - Prob. 25SCCh. 8.6 - Is a Java program without import statements...Ch. 8.6 - Suppose your homework assignments are located in...Ch. 8.7 - Provide a JUnit test class with one test case for...Ch. 8.7 - Prob. 29SCCh. 8 - Prob. 1RECh. 8 - Prob. 2RECh. 8 - Your task is to write a program that simulates a...Ch. 8 - Prob. 4RECh. 8 - Your task is to write a program that computes...Ch. 8 - Prob. 6RECh. 8 - Suppose an Invoice object contains descriptions of...Ch. 8 - Suppose a vending machine contains products, and...Ch. 8 - Prob. 9RECh. 8 - Prob. 10RECh. 8 - Classify the methods of the class Scanner that are...Ch. 8 - Prob. 12RECh. 8 - Is the Resistor class in Exercise P8.12 a mutable...Ch. 8 - Which of the following classes are...Ch. 8 - Which of the following classes are...Ch. 8 - Prob. 16RECh. 8 - Prob. 17RECh. 8 - Prob. 18RECh. 8 - Consider the following method that is intended to...Ch. 8 - How can you write a method that swaps two...Ch. 8 - Prob. 21RECh. 8 - Prob. 23RECh. 8 - Look at the methods in the Integer class. Which...Ch. 8 - Prob. 25RECh. 8 - Consider the task of fully justifying a paragraph...Ch. 8 - Prob. 27RECh. 8 - Prob. 28RECh. 8 - Prob. 29RECh. 8 - Prob. 30RECh. 8 - Implement the Coin class described in Section 8.2....Ch. 8 - Modify the giveChange method of the CashRegister...Ch. 8 - Real cash registers can handle both bills and...Ch. 8 - Reimplement the BankAccount class so that it is...Ch. 8 - Reimplement the Day class of Worked Example 2.1 to...Ch. 8 - Write static methods
public static double...Ch. 8 - Prob. 7PECh. 8 - Modify the application of How To 7.1 so that it...Ch. 8 - Prob. 9PECh. 8 - Prob. 10PECh. 8 - Prob. 11PECh. 8 - Prob. 12PECh. 8 - Prob. 13PECh. 8 - Prob. 14PECh. 8 - Prob. 15PECh. 8 - Prob. 16PECh. 8 - Prob. 17PECh. 8 - Prob. 18PECh. 8 - Place a BankAccount class in a package whose name...Ch. 8 - Prob. 22PECh. 8 - Prob. 23PECh. 8 - Add a method ArrayList<Double> getStatement() to...Ch. 8 - Prob. 25PECh. 8 - Prob. 26PECh. 8 - Prob. 1PPCh. 8 - Prob. 2PPCh. 8 - Prob. 3PPCh. 8 - Prob. 4PPCh. 8 - Prob. 5PPCh. 8 - For faster sorting of letters, the U.S. Postal...Ch. 8 - Implement a program that prints paychecks for a...Ch. 8 - Prob. 8PPCh. 8 - The Downtown Marketing Association wants to...Ch. 8 - Design a class Cannonball to model a cannonball...Ch. 8 - Continue Exercise P8.10, and draw the trajectory...Ch. 8 - The colored bands on the top-most resistor shown...Ch. 8 - Prob. 13PPCh. 8 - Prob. 14PP
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