EBK JAVA PROGRAMMING
9th Edition
ISBN: 9781337671385
Author: FARRELL
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 3, Problem 18RQ
Program Description Answer
Before storing data in the object myJournal memory should be allocated for it explicitly.
Hence, the correct answer is option “A”.
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Introduction
In this project, you will complete a C++ class by writing a copy constructor, destructor, and assignment
operator. Furthermore, you will write a tester class and a test program and use Valgrind to check that
your program is free of memory leaks. Finally, you will submit your project files on GL. If you have
submitted programs on GL using shared directories (instead of the submit command), then the
submission steps should be familiar.
In this project we develop an application which holds the information about a digital art piece. There
are two classes in this project.
• The Random class generates data. The implementation of this class is provided. It generates
random int numbers for colors. To create an object of this class we need to specify min and max
values for the constructor. The colors fall between 30 and 37 inclusively.
The Art class generates random colors and stores the color values. You implement the Art class.
An object of the Art class is a digital masterpiece.…
Q3: You are designing a program for storing information about Computers. There are different
types of computer for different purposes. Create a class Computer which will have attributes:
CPUName=string, CPUClockSpeed_ghz-float, memory_gb3float. Now derive two classes from
the Computer class, PC which will have attributes: operatingSystem3string, model=int,
hasGPU=boolean and second class will be Smartphone which will have attributes:
OSversion=string, battery_mAH=int. Write following functions for each class:
> Constructor/Destructor
> Deep Copy Constructor
Parameterised Constructor
Getter/Setter for dimension and length/radius
Function to write the information to data file in append mode.
Write a main function to create a dynamic array of PC and smartphone.
Also write a function to get the PC with max CPUClockSpeed_ghz.
Note: Write those functions which are asked. Be Precise in your answer.
An n-sided regular polygon’s sides all have the same length and all of its angles have the same degree (i.e., the polygon is both equilateral and equiangular). Design a class named RegularPolygon thatcontains:■ A private int data field named n that defines the number of sides in the polygon.■ A private float data field named side that stores the length of the side.■ A private float data field named x that defines the x-coordinate of the center of the polygon with default value 0.
■ A private float data field named y that defines the y-coordinate of the center of the polygon with default value 0.■ A constructor that creates a regular polygon with the specified n (default 3),side (default 1), x (default 0), and y (default 0).■ The accessor and mutator methods for all data fields.■ The method getPerimeter() that returns the perimeter of the polygon.■ The method getArea() that returns the area of the polygon. The formula for computing the area of a regular polygon is Area = (n * s2) / (4 *…
Chapter 3 Solutions
EBK JAVA PROGRAMMING
Ch. 3 - Prob. 1RQCh. 3 - Prob. 2RQCh. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Prob. 6RQCh. 3 - Prob. 7RQCh. 3 - Prob. 8RQCh. 3 - Prob. 9RQCh. 3 - Prob. 10RQ
Ch. 3 - Prob. 11RQCh. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Prob. 14RQCh. 3 - Prob. 15RQCh. 3 - Prob. 16RQCh. 3 - Prob. 17RQCh. 3 - Prob. 18RQCh. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Prob. 1PECh. 3 - Prob. 2PECh. 3 - Prob. 3PECh. 3 - Prob. 4PECh. 3 - Prob. 5PECh. 3 - Prob. 6PECh. 3 - Prob. 7PECh. 3 - Prob. 8PECh. 3 - Prob. 9PECh. 3 - Prob. 10PECh. 3 - Prob. 11PECh. 3 - Prob. 12PECh. 3 - Prob. 13PECh. 3 - Prob. 1GZCh. 3 - Prob. 2GZCh. 3 - Prob. 1CP
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