Starting Out With C++: Early Objects (10th Edition)
10th Edition
ISBN: 9780135235003
Author: Tony Gaddis, Judy Walters, Godfrey Muganda
Publisher: PEARSON
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Expert Solution & Answer
Chapter 15, Problem 8RQE
Program Description Answer
“Type cast” is required for the base class to be assign it to a derived class pointer.
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Casting a base-class pointer to a derived-class pointer is called_______________
Operator______________ can be used to downcast base-class pointers safely.
Activity 1
This program firstly initializes an object of struct Cirele with values and then updates those
using pointers. The program uses structure notation once and pointer notation another
afterwards.
#include
#include
#define MIN 1
#define MAX 30
struct Circle {
float xCoord;
float yCoord;
float radius;
};
/* prototypes */
float getRandomNumber (int min, int max);
void printByValue(struct Circle cirobj);
void setValue(float *target, float newValue);
void printByReference(struct Circle *cirObj);
int main(void) {
/* Declare a struct circle and name it circleobject */
struct Circle circleObject;
/* Fill circleObject's members with random numbers */
circleobject.xCoord = getRandomNumber(MIN, MAX);
circleobject.yCoord = getRandomNumber (MIN, MAX);
circleobject.radius = getRandomNumber (MIN, MAX);
/* Printing values of the circle by calling function print by value */
printByValue(circleobject);
/* update values of circle one by one */
setValue (&circleobject.xCoord, getRandomNumber(MIN,…
Chapter 15 Solutions
Starting Out With C++: Early Objects (10th Edition)
Ch. 15.3 - Prob. 15.1CPCh. 15.3 - Prob. 15.2CPCh. 15.3 - What will the following program display? #include...Ch. 15.3 - What will the following program display? #include...Ch. 15.3 - What will the following program display? #include...Ch. 15.3 - What will the following program display? #include...Ch. 15.3 - How can you tell from looking at a class...Ch. 15.3 - What makes an abstract class different from other...Ch. 15.3 - Examine the following classes. The table lists the...Ch. 15 - A class that cannot be instantiated is a(n) _____...
Ch. 15 - A member function of a class that is not...Ch. 15 - A class with at least one pure virtual member...Ch. 15 - In order to use dynamic binding, a member function...Ch. 15 - Static binding takes place at _____ time.Ch. 15 - Prob. 6RQECh. 15 - Prob. 7RQECh. 15 - Prob. 8RQECh. 15 - The is-a relation between classes is best...Ch. 15 - The has-a relation between classes is best...Ch. 15 - If every C1 class object can be used as a C2 class...Ch. 15 - A collection of abstract classes defining an...Ch. 15 - The keyword _____ prevents a virtual member...Ch. 15 - To have the compiler check that a virtual member...Ch. 15 - C++ Language Elements Suppose that the classes Dog...Ch. 15 - Will the statement pAnimal = new Cat; compile?Ch. 15 - Will the statement pCreature = new Dog ; compile?Ch. 15 - Will the statement pCat = new Animal; compile?Ch. 15 - Rewrite the following two statements to get them...Ch. 15 - Prob. 20RQECh. 15 - Find all errors in the following fragment of code,...Ch. 15 - Soft Skills 22. Suppose that you need to have a...Ch. 15 - Prob. 1PCCh. 15 - Prob. 2PCCh. 15 - Sequence Sum A sequence of integers such as 1, 3,...Ch. 15 - Prob. 4PCCh. 15 - File Filter A file filter reads an input file,...Ch. 15 - Prob. 6PCCh. 15 - Bumper Shapes Write a program that creates two...Ch. 15 - Bow Tie In Tying It All Together, we defined a...
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