in c++ language, I already solved the problem and ran it fine. But I got a pile

Question

in c++ language, I already solved the problem and ran it fine. But I got a pile of warning, I wonder if it will affect my code to run. Here's the problem from the exercise. (Implement a stack class using inheritance) In listing 12.4, GenericStack is implemented using arrays. Create a new stack class that extends vector. Implement it.

[UPDATED]: Just ignore all header files and problems. All I want you to do is on prog 15_5().

MyVector.h

#ifndef MYVECTOR
#define MYVECTOR
#include

template
class MyVector
{
public:
   MyVector();
   void push_back(T);
   void pop_back();
   unsigned int size();
   bool isEmpty();
   T at(int index);
   T peek();
   int clear();
   void swap(MyVector v2);

private:
   T elements[100];
   int vectorSize;
};
#endif

MyVector.cpp

#include "MyVector.h"

template
// no-argument generic constructor definition
MyVector::MyVector()
{
   vectorSize = 0;
}

template
bool MyVector::isEmpty()
{
   return (vectorSize == 0);
}

template
T MyVector::at(int index)
{
   return elements[index];
}

template
void MyVector::push_back(T value)
{
   elements[vectorSize++] = value;
}

template
void MyVector::pop_back()
{
   elements[--vectorSize];
}

template
T MyVector::peek()
{
   return elements[0];
}

template
unsigned int MyVector:: size()
{
   return vectorSize;
}

template
int MyVector::clear()
{
   vectorSize = 0;
   return vectorSize;
}

template
void MyVector::swap(MyVector v2)
{
   T temp[100];
   int tempSize=v2.size();

   for(int i=0;i        temp[i]=v2.at(i);

   this->clear();

   for(int i=0;i        this->push_back(temp[i]);
   /*T temp[100];
   int tempSize = v2.size();

   for (int i = 0; i < v2.size(); i++)
       temp.push_back(at(i));
   clear();

   for (int i = 0; i        this->push_back(temp[i]);*/
}

main.cpp

#include <iostream>
#include <cmath>
#include <cstring>
#include <string>
#include <vector>
#include "Triangle.h"
#include "GeometricObject.h"
#include "MyVector.cpp"
#include "Person.h"
#include "MyDate.h"
#include "Faculty.h"
#include "Staff.h"
#include "Calendar.h"
#include "ImprovedMyPoint.h"
#include "ThreeDPoint.h"
#include "NewAccount.h"
#include "CheckingAcc.h"
#include "SavingAcc.h"
#include "MyVector.h"
using namespace std;

//to solve a problem #15_5
void Prog15_5()
{
MyVector v1;
   MyVector v2;
cout << "**********************************Base Class************************" << endl;

//call the isempty() and return true if the vector is empty
if (v1.isEmpty())
cout << " The vector is empty" << endl;

cout << " Add the elements to base class 'MyVector'v1" << endl;

//call the push_bacl()
v1.push_back(1);
v1.push_back(2);
v1.push_back(3);

for (int i = 0; i < v1.size(); i++)
{
cout << v1.at(i) << endl;
}

cout << " Size of the elements in base class 'MyVector'v1:" << v1.size() << endl;
cout << " Remove of the last element in base class 'MyVector'v1:" << endl;

v1.pop_back();
cout << " Size of the elements in base class 'MyVector' after removed:" << v1.size() << endl;
cout << " Add the elements to the base class'MyVector'v2" << endl;
v2.push_back(4);
v2.push_back(5);
v2.push_back(6);
v2.push_back(7);

for (int i =0; i < v2.size(); i++)
cout << v2.at(i) << endl;

cout << " Size of the elements in base class 'MyVector'v2:" << v2.size() << endl;

cout << " Swap the contents between v1 and v2" << endl;
v1.swap(v2);
cout << " Elements in the base class 'MyVector'v1 after swapped" << endl;

for (int i = 0; i < v1.size(); i++)
cout << v1.at(i) << endl;

cout << " Clear the elements in the base class 'MyVector'v1" << endl;
v1.clear();
cout << " Size of the base class 'MyVector'v1: " << v1.size() << endl << endl;

cout << "**********************************Derivied Class************************" << endl;

if (v1.isEmpty());
cout <<" The stack is empty";

cout <<" Add the elements to derivied class 'Stack' " << endl;

//call the push()
v1.push_back(9);
v1.push_back(8);
   v1.push_back(7);

cout << " Size of the elements in derivded class 'Stack' " << v1.size() << endl;
cout << " The top of the element from the derived class 'Stack' " << v1.peek() << endl;
cout << " Remove the last element from the derived class 'Stack' " << endl;

v1.pop_back();
cout << " Size of the elements in derived class 'Stack' after removed" << v1.size() << endl;
cout << " The top of the element from the derived class 'Stack' after removed" << v1.peek() << endl;
}

int main()
{
while (true)
{
system("cls");
cout << " Main Menu - Chapter 15" << endl;
cout << "==============================" << endl;
cout << " 1: Programming Exercise 15.1" << endl;
cout << " 2: Programming Exercise 15.2" << endl;
cout << " 3: Programming Exercise 15.3" << endl;
cout << " 4: Programming Exercise 15.4" << endl;
cout << " 5: Programming Exercise 15.5" << endl;
cout << "other: Exit" << endl;
cout << "==============================" << endl;
cout << "Enter an exercise: ";
char exercise[2];
cin >> exercise;
cout << endl;
switch (atoi(exercise))
{
case 1: Prog15_1(); break;
case 2: Prog15_2(); break;
case 3: Prog15_3(); break;
case 4: Prog15_4(); break;
case 5: Prog15_5(); break;

default: exit(0);
}
cout << endl;
system("pause");
cin.clear();
}

return 0;
}

Explanation / Answer

#include <iostream>
#include <vector>
#include "MyVector.h"
using namespace std;

template <class T>
MyVector::MyVector()
{
vectorSize = 0;
}

template <class T>
bool MyVector::isEmpty()
{
return data.empty();
}
template <class T>
T MyVector::at(int index)
{
return data.at(index);
}
template <class T>
void MyVector::push_back(T value)
{
data.push_back(value);
}
template <class T>
void MyVector::pop_back()
{
data.pop_back();
}
template <class T>
T MyVector::peek()
{
return data.at(data.size()-1);
}
template <class T>
unsigned int MyVector:: size()
{
return vectorSize;
}
template <class T>
int MyVector::clear()
{
vectorSize = 0;
data.clear();
return vectorSize;
}

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