Need "Class" Help

 

#include <iostream.h>
#include <stdlib.h>
using namespace std;

const int MLS = 50;
typedef int element;

class AList {

        private:

                element items[MLS];
                int size;

        public:

                void Print ();
                void RandomListGenerator (int desired_size, int lower_limit, int upper_limit);
                int UserDefinedList ();
                void Swap (int pos_a, int pos_b);
                void BubbleSort ();
                void Initialize ();
                void Test ();
};

int Menu ();
int ReadInt ();
int Selection (int menu_choice, bool sorted, AList B);
void GenListParameters (int& desired_size, int& lower_limit, int& upper_limit);


int main () {

        sranddev ();

        int menu_choice;

        bool sorted = false;

        AList B;

        B.Initialize ();

        do {

                B.Test ();

                B.Print ();

                menu_choice = Menu ();

                B.Print ();

                menu_choice = Menu ();

                Selection (menu_choice, sorted, B);

        } while (menu_choice != 8);

}

void AList::Initialize () {

        size = 0;

}

void AList::Test () {

        cout << "there are " << size << " elements!!"<< endl;

}

int Menu () {

        int menu_choice;

        cout << " " << endl;
        cout << " " << endl;
        cout << "**************************************************  ***********" << endl;
        cout << "*                                                           *" << endl;
        cout << "*           Sort and Search Program Version 1.00            *" << endl;
        cout << "*                                                           *" << endl;
        cout << "*  1. Reset current list from the keyboard                  *" << endl;
        cout << "*  2. Reset current list using randomly generated elements  *" << endl;
        cout << "*  3. Perform Bubble Sort on the current list               *" << endl;
        cout << "*  4. Perform Insertion Sort on the current list            *" << endl;
        cout << "*  5. Perform Selection Sort on the current list            *" << endl;
        cout << "*  6. Perform Linear Search on the current list             *" << endl;
        cout << "*  7. Perform Binary Search on the current list             *" << endl;
        cout << "*  8. Quit the Program                                      *" << endl;
        cout << "*                                                           *" << endl;
        cout << "**************************************************  ***********" << endl;
        cout << " " << endl;
        cout << "Please select from the menu above: ";

        menu_choice = ReadInt ();

        while ((menu_choice < 1) || (menu_choice > 8)) {

                cout << "Invalid input, Range Violation, Please select a menu value from 1 to 8: " << endl;
                menu_choice = ReadInt ();
        }

        return menu_choice;

}

int ReadInt () {

        int val;

        cin >> val;

        while (!cin.good()) {

                cin.clear ();
                cin.ignore (80, '\n');
                cout << "Invalid Input, Type Violation, Please try again: " << endl;
                cin >> val;
        }

        return val;
}

int Selection (int menu_choice, bool sorted, AList B) {

        int desired_size, lower_limit, upper_limit;

        switch (menu_choice) {

                case 1: B.UserDefinedList ();
                break;

                case 2:
                GenListParameters (desired_size, lower_limit, upper_limit);

                B.RandomListGenerator (desired_size, lower_limit, upper_limit);
                break;

                case 3:
                B.BubbleSort ();
                break;


        }
}

void AList::Print () {

        int i;

        if (size == 0)

                cout << "Current list: (empty)" << endl;

        else {
                cout << "Current list: ";

                for (i = 0; i < size; i++)

                        cout << items[i] << " ";
        }

}

int AList::UserDefinedList () {

        element val;

        cout << " " << endl;
        cout << "Resetting the list from the keyboard." << endl;
        cout << " " << endl;

        cout << "Enter a series of elements, to stop enter -1: ";

        val = ReadInt ();
        size = 0;

        while ((val != -1) && (size < MLS)) {

                items[size] = val;
                size++;

                if (size < MLS)

                        val = ReadInt ();

                else
                        cout << "The current list is now too full to accept anymore elements." << endl;
        }

        cout << size << " elements entered." << endl;

}