Use the comments as the instructions or guide to build and complete the Catalog and Course Class cpp$.$ The content below is the interface of those two classes the Catalog.h and Course.h$.$ Give me the solution in C$++$

$/*$

$*$ File name: Course.h

$*$ This file declares a class named Course

$*$ You can add methods if required, must provide supporting explanation.

$*$ Your code must include comments explaining your reasoning and artifact choices.

$*/$

#pragma once

$//$ preprocessor directives

class Course$\{$

private:

string courseCode; $//$ the course's code, e$.$g$.$ CECS $2223$; values must be in uppercase

string courseName; $//$ the course's name, e$.$g$.$ Computer Programming II Laboratory

int credits; $//$ the number of credits for the course

static size$\_$t codeSize; $//$ the size of the courseCode field

void setCodeSize$($string$,$ bool$)$; $//$ private method to set the value for codeSize

static size$\_$t nameSize; $//$ the size of the courseName field

void setNameSize$($string$,$ bool$)$; $//$ private method to set the value for nameSize

public:

Course$($string $="",$ string $="",$ int $=-1)$; $//$ the default constructor with default values

$//$ the constructor must validate the value for credits, assign $-1$ if invalid

Course$($const Course&$)$; $//$ the copy constructor, use assignment operator

~Course$()$; $//$ the destructor

void setCourseCode$($string$)$;

void setCourseName$($string$)$;

void setCourseCredits$($int$)$; $//$ validates the parameter to be $0$ or greater

string getCourseCode$()$ const;

string getCourseName$()$ const;

string getCourseCredits$()$ const;

size$\_$t getCodeSize$()$ const;

size$\_$t getNameSize$()$ const;

void displayCourse$()$ const; $//$ prints the course data ready for a table

$//$ the order is course code, course name, credits, and the size of the

$//$ course and name fields is variable; align to the left

Course& operator$=($const Course&$)$; $//$ overload of the assignment operator

$//$ Since duplicate course codes are not allowed, add a lowercase c to the end of the string

bool operator$>($const Course&$)$; $//$ overload of the greater than operator

$\}$;

$------------------------------------------------------------------------------------------$

$/*$

$*$ File name: Catalog.h

$*$ This file declares a class named Catalog

$*$ Complete the declaration as required.

$*$ You can add methods if required, must provide supporting explanation.

$*$ Your code must include comments explaining your reasoning and artifact choices.$]$

$*/$

#pragma once

$//$ preprocessor directives

class Catalog $\{$

private:

string universityName; $//$ the name of the university

int courseCount; $//$ the number of courses in the catalog

Course$**$ courses; $//$ the array which contains the courses

void sortCatalog$()$; $//$ sorts the courses in the catalog in alphabetical order

public:

Catalog$($string $="",$ int $=0,$ Course$**=$ nullptr$)$; $//$ the default constructor

Catalog$($const Catalog&$)$; $//$ the copy constructor, use assignment operator

~Catalog$()$; $//$ the destructor

void setUniversityName$($string$)$;

string getUniversityName$()$ const;

void addCourse$($string$,$ string, int$)$; $//$ adds a course to the catalog

$//$ No duplicate course codes are allowed, must validate

$//$ The addCourse method calls the sortCatalog method after a course is added.

int findCourse$($const string$)$ const; $//$ method to find a course by code in the catalog

void deleteCourse$($int$)$; $//$ removes a course from the catalog

void printCatalog$()$ const; $//$ prints the course list for the university

$//$ printCatalog prints the header CODE, NAME, CREDITS using the column widths

$//$ from the Course class

Catalog& operator$=($const Catalog&$)$; $//$ overload of the assignment operator

$\}$;