UGN Security Forums
My ProfileMember DirectoryLogin
Search our ForumsView our FAQView our Site Rules
View our CalendarView our Active TopicsGo to our Main Page

UGN Security Store
 

Network Sites UGN Security, Elite Web Gamers, Back of the Web, EveryDay Helper, VNC Web Design & Development
Our Sponsors

Latest Postings
Owning Servers
by Gizmo
Today at 07:20 AM
my old account still exists!
by Gizmo
08/19/08 02:27 PM
Burger King gone Wild!
by Gizmo
08/08/08 11:42 PM
PDX 2600
by rbcp
08/07/08 12:46 AM
The Pirate Bay- shut down?
by ZER0_DECEPTION
08/05/08 09:07 PM
Windows Events for Changing Access rights to a folder or a File
by Gizmo
08/05/08 12:32 PM
question about IE and CSS
by §intå×
08/04/08 08:51 PM
Server
by Gizmo
08/01/08 01:29 AM
Topic Options
#17268 - 04/27/03 05:13 PM Vectors of Objects
HitYouth Offline
Junior Member

Registered: 01/03/03
Posts: 8
Hi,

I was just wondering if anyone knew the correct syntax for creating a vector of Objects and from there, accessing the data members of said objects.

Thanks

Top
Our Sponsors
Sponsor Our Sponsors

Top  
#17269 - 04/27/03 05:46 PM Re: Vectors of Objects
pergesu Offline
Stoner Thugsta

Registered: 03/14/02
Posts: 1134
Loc: Pimpin the Colorizzle
Are you talking about STL vectors? An STL vector is just like any other template class, so you can use whatever data type you want with it. Here's a little example program:
Code:
#include <iostream.h>
#include <vector.h>

int main()
{
        // Create a vector of integers
        vector<int> v(10);

        // Fill it up with stuff
        for(int i = 0; i < 10; i++)
                v[i] = i;

        // Display some data from the vector
        cout<<"Max size of vector: " <<v.max_size() <<endl;
        cout<<"Actual size of vector: " <<v.size() <<endl <<endl;

        // Traverse it with an iterator
        vector<int>::iterator iter = v.begin();
        while(iter != v.end())
        {
                // Access the element
                cout<< *iter++ <<" ";
        }

        cout<<endl;

        return 0;
}
Output of the program on my OS X machine:
Code:
bash-2.05a$ ./vector 
Max size of vector: 1073741823
Actual size of vector: 10

0 1 2 3 4 5 6 7 8 9 
bash-2.05a$ 
Since it's STL, all you need to do is change vector to vector and change the assignment loop.

Top
#17270 - 04/28/03 06:39 PM Re: Vectors of Objects
HitYouth Offline
Junior Member

Registered: 01/03/03
Posts: 8
Many thanks! How does the assignment method change when trying to create a vector of objects from within an instantiation of an object? for example a vector of employees instantiated within an employee database.

Do I need to utilise the push_back() function because I seem to be having difficulties in utilizing the standard array style subscript method?

Top
#17271 - 04/28/03 06:42 PM Re: Vectors of Objects
HitYouth Offline
Junior Member

Registered: 01/03/03
Posts: 8
Nevermind figured it out.. Thanks anyway for your help!

Top



Forum Stats
6911 Members
44 Forums
10465 Topics
45205 Posts

Max Online: 677 @ 06/30/07 10:06 PM
Top Posters
Gizmo 6930
UGN Security 3441
§intå× 3250
IceMyst 1449
SilentRage 1273
Ice 1146
pergesu 1134
Infinite 1039
jonconley 954
Girlie 903
Newest Members
red queen, byopc, cybermox, NiPah, mcscrwdy25
6911 Registered Users
Who's Online
0 Registered (), 9 Guests and 6 Spiders online.
Key: Admin, Global Mod, Mod
Latest News
Update Humpday - Aug 27, 2008
by Gizmo
08/28/08 12:58 AM
Update Humpday - Aug 20, 2008
by Gizmo
08/21/08 01:48 AM
Update Humpday - Aug 14, 2008
by Gizmo
08/14/08 08:33 AM
Update Humpday - Aug 06, 2008
by Gizmo
08/06/08 08:05 AM


Donate

Get the Google FireFox Toolbar
Get Firefox!
Get FireFox!