CECS 282-01 Program 3 – Structs and Pointers solution

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Create student structure with the following fields:

  • Name (cstring or null-terminated character array)
  • Student ID (int – unique random value between 1000 and 9999)
  • grade (char – Values A thru F)
  • birthday (myDate – random value: range 1/1/2000 to 12/31/2005)
  • Home Town (string)

 

Create an array of pointers to students of size 10.                              Example: Student *stuPtr[10];

Write a function that populates the array with 10 students.               Example: populate(stuPtr);

 

Write a display function that displays the contents of the array on the screen as shown below – nicely formatted and left justified.

 

The displayed list should be nicely formatted with column names like this: All columns should be left-justified.

 

Name                          Student ID       Grade             Birthday                      Home Town

Tom Thumb                1002                 C                     January 1, 2002            Small Ville

Fred Flintstone            1995                 D                     February 3, 2003            Bedrock

Sponge Bob                 2987                 B                      June 3, 2001                 Bikini Bottom

 

Create a menu that shows the following options:

 

  • Display list sorted by Name
  • Display list sorted by Student ID
  • Display list sorted by Grade
  • Display list sorted by Birthday
  • Display list sorted by Home Town
  • Exit

 

You need to write a sorting function for each of the menu items – 5 options needs 5 functions.

 

Note:

 

You must create a function that returns a date between a range of 2 dates.

 

You will use the myDate class in this program – you will not create any other class. The Student structure is NOT a class.

 

Take advantage of your myDate class that you just wrote. Also, it might be helpful to create a new function that returns a string for the date format:

 

string myDate::toString( );

 

To help with formatting, you may want to use the library <iomanip> which includes the setw()

Prog#3 Teaching Objectives

  • Intro to pointers
  • Increment pointers
  • Intro to structs
    • Structs are data focused – typically do not have constructors
    • Classes are object focused
  • Introduce cstrings – null-terminated character array
  • Compare and contrast string with cstring
  • Manage cstrings
    • strlen, strcpy, strcat, strcmp,
  • Create and use simple sorting algorithm (bubblesort)
  • Array names act like pointers (const pointers)
  • sizeof( )
  • Use <iomanip> for format things nicely
  • Composition – including the myDate object inside the student structure – student “has-a” myDate

 

What to submit on Demo day:

 

Submit 1 file which will contain ALL of your code: your main program, the Student struct and the myDate class.

Screenshot of the program demo. Select option 1 and then select option 5.

 

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