C++   How to Program (Early Objects Version)
C++ How to Program (Early Objects Version)
10th Edition
ISBN: 9780134448824
Author: Paul Deitel; Harvey M. Deitel
Publisher: Pearson Education (US)
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Chapter 7, Problem 7.15E
Program Plan Intro

Program Plan:

  1. Sales[row][columns] used as a input 2D array.
  2. row and columns variables used for no of rows and columns values.

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#include <stdio.h> #include <stdlib.h> #include <unistd.h>   int global_var = 42; //   int* function(int *a) { int local_var = 10; // *a = *a + local_var; int *local_pointer = (int *)malloc (size of (int) * 64); // Allocated array with 64 integers return local_pinter; }   int main() {      int local_main[1024*1024*1024*1024*1024] = {0}; // initialize an array and set all items as 0      int *heap_var = (int *)malloc(size of(int) * 16); // Allocated array with 16 integers     *heap_var = 100; function(heap_var); printf(“the value is %d\n”, *heap_var);      free(heap_var); // release the memory      return 0; }  1) draw the memory layout of the created process, which should include text, data, heap and stack [2 marks].   2) Indicate which section the variables are allocated [2 marks]: global_var local_var, local_pointer local_main heap_var, *heap_var (the data that it points to)   3) Does this code have memory leaking (heap memory is not released)? [2 marks] 4) The…
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A Personal Address Book application program allows the user to add, delete, search, save, and load contact information. The program separates the user interface (command-line) and the internal processing subsystem. The internal processing system consists of the following classes: • • Contact Manager (responsible for add and delete operations) Contact Finder (responsible for the search operation) pataManager (responsible for save and load operations) a. What design pattern can be used to implement the user interface? Explain your answer using a class diagram for the entire system. b. Draw a UML sequence diagram to show the behavioral view of the Personal Address Book program, demonstrating what happens when a user enters new contact information.

Chapter 7 Solutions

C++ How to Program (Early Objects Version)

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