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#include <iostream>
#include <fstream> //allow writing to file instead of cout
#include <cstring>
using namespace std;
#include "date.h"
#include "person.h"
#include "student.h"
#include...

Thanks for the help.

No the copy constructor was not complete at that time, I have since attempted to complete it:



class Student : public Person {
public:
Student(const char *...

Thanks for the help.

I'd like to understand a little more though instead of just pasting in what you're telling me to. I was under the impression that the copy constructor is perfectly defined...

I see, any tips on how to make it defined? I tried to stick an int in front of it (semi-knowing it wouldn't work) and it gave me lots of errors so I'm thinking that isn't the way to get it done.

See I tried that before posting here for some help by doing



class Student : public Person {
public:
Student(const char * their_name, const char * email, const Date & d, const char * sch,...

So I have a Person class which is the base class for another class called Student (inherits from Person).

I'm getting a couple errors but I'm not sure where they are coming from...

Person...

Thanks for the help.

Does the new object have to be the same type as the existing object?

Also when and why should they be used?

I know you are given them both for free if you don't assign them, but why do we need to assign them in the first place?

Ok so I see why A() is being printed first, I'm guessing because there's no initializer list it goes to the that reads A a in the B class which in turn goes to A() method which prints out "A()".
...

Here is some code that puts to use copy constructors and assignment operators:



#include <iostream>
using namespace std;

class A {
int n;
public:

Oh I see what you mean, ok thanks I'm going to try and approach this from another angle, thanks for your help!

Do you mind clarifying what you mean by the delete element[0] statement deletes the same element? Do you mean it deletes the same element the second time its called? Or are you saying even the first...

Thanks, I will make the appropriate changes as you suggested, it should be numberOfElements in the for-loop.

Here is my main:



#include <iostream>
#include "date.h"
#include "loan.h" ...

void add(Loan & aLoan)
{

if (numberOfElements == capacity)
{
std::cout << "Container is growing.\n";
Loan ** temp = elements;
elements = new Loan*[capacity*2];
for(int i=0;...

So that's why my program is crashing then right?

What is the appropriate method of deleting the first element from the elements array then?

A thought just came to me, I'm creating the array like this:

elements = new Loan*[initial_size];

is delete elements[0] even the right way of deleting the first element? I seem to remember my...

Well it still crashes at the same spot, but I will work with what I have, thanks again.

That would be elements[2] = elements[3] actually.

Yes I think so.

If we have 3 elements, then my for-loop was telling the program to do elements[3] = elements[4]. Can't happen though if there's only 3 elements to begin with. Does that sound about...

Yeah I understand that, of course I don't expect anyone to have a specific answer to this right off the bat, but I do appreciate all the advice, generic or not it does help me understand different...

Thanks for the reply Paul,

Even as a beginner programmer (especially in C++) there are things I know I'd do differently/more efficiently if it were up to me, but since these are part of assignment...

Well here's the part of the main function which I'm calling the removeFirst() method from:



for(int i = 0; i<numberOfCarLoans ; i++)
{
Loan & aLoan = carLoans.removeFirst(); //important...

for (int i = 0; i < numberOfElements; i++)
{
elements[i] = elements[i + 1];
}


Does that look better?

It still seems to crash after deleting the first element.

What are you talking about?

Sorry I hadn't checked his reply here when I posted that.