Starting Out with C++ from Control Structures to Objects (8th Edition)
Starting Out with C++ from Control Structures to Objects (8th Edition)
8th Edition
ISBN: 9780133769395
Author: Tony Gaddis
Publisher: PEARSON
Question
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Chapter 9.9, Problem 9.9CP

A)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

  • In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.
  • So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.
  • When we represent only the array name, it will indicate the first element of the array.
  • To represent the next element we need to increment the values by one to find the proceeding elements of the array.
  • When “&” operator is used before an array it will return the address of the corresponding value.

B)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

  • In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.
  • So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.
  • When we represent only the array name, it will indicate the first element of the array.
  • To represent the next element we need to increment the values by one to find the proceeding elements of the array.
  • When “&” operator is used before an array it will return the address of the corresponding value.

C)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

  • In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.
  • So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.
  • When we represent only the array name, it will indicate the first element of the array.
  • To represent the next element we need to increment the values by one to find the proceeding elements of the array.
  • When “&” operator is used before an array it will return the address of the corresponding value.

D)

Program Plan Intro

Address of (&) operator:

The main purpose of address operator “&” operator in pointers is to return the memory address of variables.

When the address of operator “&” is placed before the pointer variable, it will hold address of the pointer variable.

Example Program:

//include necessary header

#include <iostream>

#include <string>

using namespace std;

//main method

int main()

{

//variable declaration

int a;

//display the address of the variable a

cout << &a;

}

Representing array using pointer notation:

  • In general, array will have a continuous allocation of memory bytes, to represent the values present in the array it can be represented using its subscript value.
  • So, to represent the values using pointer notation with an indirection operator the name of the array plus the subscript representing the value needs to be specified.
  • When we represent only the array name, it will indicate the first element of the array.
  • To represent the next element we need to increment the values by one to find the proceeding elements of the array.
  • When “&” operator is used before an array it will return the address of the corresponding value.

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Chapter 9 Solutions

Starting Out with C++ from Control Structures to Objects (8th Edition)

Ch. 9.9 - Complete the following program skeleton. When...Ch. 9.9 - Look at the following array definition: const int...Ch. 9.9 - Assume ip is a pointer to an int. Write a...Ch. 9.9 - Prob. 9.14CPCh. 9.9 - Prob. 9.15CPCh. 9.9 - Prob. 9.16CPCh. 9.9 - Prob. 9.17CPCh. 9 - What does the indirection operator do?Ch. 9 - Look at the following code. int x = 7; int iptr =...Ch. 9 - So far you have learned three different uses for...Ch. 9 - Prob. 4RQECh. 9 - Prob. 5RQECh. 9 - Prob. 6RQECh. 9 - What is the purpose of the new operator?Ch. 9 - What happens when a program uses the new operator...Ch. 9 - Prob. 9RQECh. 9 - Prob. 10RQECh. 9 - Prob. 11RQECh. 9 - Prob. 12RQECh. 9 - Each byte in memory is assigned a unique...Ch. 9 - The _________ operator can be used to determine a...Ch. 9 - Prob. 15RQECh. 9 - The ________ operator can be used to work with the...Ch. 9 - Array names can be used as ________, and vice...Ch. 9 - Prob. 18RQECh. 9 - The ________ operator is used to dynamically...Ch. 9 - Under older compilers, if the new operator cannot...Ch. 9 - Prob. 21RQECh. 9 - When a program is finished with a chunk of...Ch. 9 - You should only use pointers with delete that were...Ch. 9 - Prob. 24RQECh. 9 - Look at the following array definition: int...Ch. 9 - Prob. 26RQECh. 9 - Assume tempNumbers is a pointer that points to a...Ch. 9 - Look at the following function definition: void...Ch. 9 - Prob. 29RQECh. 9 - Prob. 30RQECh. 9 - Prob. 31RQECh. 9 - T F The operator is used to get the address of a...Ch. 9 - T F Pointer variables are designed to hold...Ch. 9 - T F The symbol is called the indirection...Ch. 9 - T F The operator dereferences a pointer.Ch. 9 - T F When the indirection operator is used with a...Ch. 9 - T F Array names cannot be dereferenced with the...Ch. 9 - Prob. 38RQECh. 9 - T F The address operator is not needed to assign...Ch. 9 - T F You can change the address that an array name...Ch. 9 - T F Any mathematical operation, including...Ch. 9 - T F Pointers may be compared using the relational...Ch. 9 - T F When used as function parameters, reference...Ch. 9 - T F The new operator dynamically allocates memory.Ch. 9 - T F A pointer variable that has not been...Ch. 9 - Prob. 46RQECh. 9 - T F In using a pointer with the delete operator,...Ch. 9 - Prob. 48RQECh. 9 - Prob. 49RQECh. 9 - int x, ptr = nullptr; ptr = x;Ch. 9 - Prob. 51RQECh. 9 - Prob. 52RQECh. 9 - Prob. 53RQECh. 9 - float level; int fptr = level;Ch. 9 - Prob. 55RQECh. 9 - Prob. 56RQECh. 9 - Prob. 57RQECh. 9 - Prob. 58RQECh. 9 - int pint = nullptr; pint = new int[100]; //...Ch. 9 - Prob. 60RQECh. 9 - Prob. 61RQECh. 9 - Prob. 62RQECh. 9 - Array Allocator Write a function that dynamically...Ch. 9 - Test Scores #1 Write a program that dynamically...Ch. 9 - Drop Lowest Score Modify Problem 2 above so the...Ch. 9 - Test Scores #2 Modify the program of Programming...Ch. 9 - Prob. 5PCCh. 9 - Case Study Modification #1 Modify Program 9-19...Ch. 9 - Case Study Modification #2 Modify Program 9-19...Ch. 9 - Mode Function In statistics, the mode of a set of...Ch. 9 - Median Function In statistics, when a set of...Ch. 9 - Reverse Array Write a function that accepts an int...Ch. 9 - Array Expander Write a function that accepts an...Ch. 9 - Element Shifter Write a function that accepts an...Ch. 9 - Movie Statistics Write a program that can be used...
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