Re: How to Call "Constructor with parameter" after new [] allocation?

From:
puzzlecracker <ironsel2000@gmail.com>
Newsgroups:
comp.lang.c++.moderated
Date:
Mon, 22 Sep 2008 18:58:57 CST
Message-ID:
<c878a9ae-402a-4078-aa48-01e76168b937@e39g2000hsf.googlegroups.com>
On Sep 21, 5:58 pm, imin...@gmail.com wrote:

Hi, guys.

I want to allocate object arrays in heap with initializing them as a
specific value.
But, I don't know HOW-TO.

#include <iostream>
using namespace std;

class _test {
    int value;
public:
    _test();
    _test(int value);
    ~_test();

};

_test::_test()
{
    this->value=0;
    cout << "_test()" << endl;}

_test::_test(int value)
{
    this->value=value;
    cout << "_test(int value)" << endl;}

_test::~_test()
{
    this->value=0;
    cout << "~_test()" << endl;

}

int main ()
{
   _test * t1 = new _test;
   delete t1;

   _test * t2 = new _test [2];
   // ERROR : I want to allocate two _test size in heap with
initializing (1).
   // _test * t2 = new _test [2] (3); <--- !! HERE !!
   delete [] t2;

   return 0;

}

Please, let me know it.
Best Regards.

Insik R. Cho.


Try
int main ()
{
  _test * t1 = new _test;
   delete t1;

   _test **t2 = new _test *();

  return 0;

 }

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