EBK C HOW TO PROGRAM
8th Edition
ISBN: 9780133964639
Author: Deitel
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Textbook Question
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Chapter 18, Problem 18.6E
(Memory Allocation and Deallocation Operators) Compare and contrast dynamic memory allocation and deallocation operators new, new [], delete and delete []:
Expert Solution & Answer
Program Plan Intro
To compare and contrast dynamic memory allocation and deallocation operators new, new[], delete and delete[].
Explanation of Solution
The following table shows the differences.
S. No. | New | Delete | New[] | Delete[] |
1. | Dynamically allocates memory for a variable or object. | Dynamically de-allocates memory for a variable or object. | Dynamically allocates memory for an array. | Dynamically de-allocates memory for an array. |
2. | Arguments passed to initialize class constructor | No arguments needed to be passed to call destructor | Arguments passed to initialize array size (bytes). | No arguments needed to be passed to call destructor. |
3. | Memory de-allocation must be done using delete operator. | Memory allocation must be done using new operator. | Memory deallocation must be done using delete[] operator. | Memory allocation must be done using new[] operator. |
4. | Returns address of allocated object. | Returns void() and sets memory to NULL. | Returns address of first element of allocated array. | Returns void() and sets all memory to NULL. |
5. | For example, int *xPtr; xPtr= new int; | For example, delete xPtr; | For example, int *xPtr; xPtr= new int[10]; | For example, Delete[] xptr; |
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(Memory Allocation and Deallocation Operators) Compare and contrast dynamic memoryallocation and deallocation operators new, new [], delete and delete [].
(c) Does an integer pointer store an integer itself or something else?
(d) What is the purpose of pointers? What do they allow us to do? What would happen if we
didn't have pointers?
Language:C
Write the function that produces the largest and smallest elements of an integer array sent to it, in accordance with the main function below. (Access to array elements should be done according to offset-address increment notation.)Sample Run:Biggest : 23Smallest : 0Sample Main................................/*prototip*/int main(){int array[5]={23, 4, 2, 0, 8};int biggest;int smallest;bigSmallFind(.............................)printf("Biggest : %d \n", biggest);printf("Smallest : %d \n", smallest);return 0; }
Chapter 18 Solutions
EBK C HOW TO PROGRAM
Ch. 18 - (Memory Allocation and Deallocation Operators)...Ch. 18 - (Overloading the Parentheses Operator) One nice...Ch. 18 - (Complex Class) Consider class Complex shown in...Ch. 18 - (HugeInt Class) A machine with 32-bit integers can...Ch. 18 - (RationalNumber Class) Create a class...Ch. 18 - Prob. 18.11E
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