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#16

March 9th, 2003, 05:12 PM

Scorpions4ever

Banned ;)

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FWIW, here's my code, tested with g++ 3.2 on a laptop running RH Linux 8.0. AFAIK it is standard C++ and should work on VC++ with no problems too (can someone verify this for me please, because I can only test it for myself on monday at work - thanks in advance).

Code:

#include <iostream>
using namespace std;

class Student {
public:
  int x, y;
  Student(int a, int b);
};

Student::Student(int a, int b) {
  x = a; y = b; 
}

int main(void) {
  int num_students;
  cout << "Enter # of students: ";
  cin >> num_students;
  Student *student = new Student[num_students](5, 3);
  for (int i = 0; i < num_students; i++) {
    cout << "Student #" << i+1 << ". " << student[i].x << ", " << student[i].y << endl;
  }
  delete [] student;
  return 0;
}

Thanks for the vote of confidence 7stud

#17

March 9th, 2003, 05:30 PM

rendy

Contributing User

Join Date: Jul 2002

Location: London

Posts: 349

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Errors on VC++ 6.0 matey

Code:

  Student *student = new Student[num_students](5, 3);

C:\Program Files\Microsoft Visual Studio\MyProjects\test\test.cpp(22) : error C2538: new : cannot specify initializer for arrays
C:\Program Files\Microsoft Visual Studio\MyProjects\test\test.cpp(22) : error C2512: 'Student' : no appropriate default constructor available

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#18

March 9th, 2003, 05:37 PM

Scorpions4ever

Banned ;)

Join Date: Nov 2001

Location: Woodland Hills, Los Angeles County, California, USA

Posts: 9,383

Time spent in forums: 1 Month 4 Weeks 1 Day 20 h 49 m 30 sec
Reputation Power: 4080

Aw shoot, guess I'd have to declare a constructor with no arguments to make it work with VC++ 6.0. Guess this should work then:

Code:

#include <iostream>
using namespace std;

class Student {
public:
  int x, y;
  Student();
  Student(int a, int b);
};

Student::Student() {
  x = 5; y = 3;
}

Student::Student(int a, int b) {
  x = a; y = b; 
}

int main(void) {
  int num_students;
  cout << "Enter # of students: ";
  cin >> num_students;
  Student *student = new Student[num_students];
  for (int i = 0; i < num_students; i++) {
    cout << "Student #" << i+1 << ". " << student[i].x << ", " << student[i].y << endl;
  }
  delete [] student;
  return 0;
}

Thanks for testing it out

#19

March 9th, 2003, 05:47 PM

rendy

Contributing User

Join Date: Jul 2002

Location: London

Posts: 349

Time spent in forums: 4 h 19 m 21 sec
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Yep that works a treat Scorps m8

#20

March 9th, 2003, 07:16 PM

7stud

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Gmorphus,

My apologies. I didn't notice the constructor issue if that's what you were questioning.

Last edited by 7stud : March 9th, 2003 at 07:21 PM.

#21

March 12th, 2003, 12:38 PM

Gmorphus

Contributing User

Join Date: Sep 2001

Location: ISRAEL

Posts: 35

Time spent in forums: < 1 sec
Reputation Power: 12

apologies accepted

scorp, that is quite exactly what i meant. but, you will have to add Create(x,y) function to intialize x and y, and to retrieve the info from the user.

you will also have to do it in your g++ version. what you have done there is to initalize ALL the x and y's with 3 and 5...

i don't think that how it should be...

anyway, i think we have covered this thread all around.

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