//main.h

#include <iostream>
using namespace std;
class Obj
{
public :
Obj() { cout << "Initialization of obj" << endl; }
~Obj() { cout << "Destroy of ~obj" << endl; }
void Initialize() { cout << "Initialization of Initialize" << endl; }
void Destroy() { cout << "Destroy of Destroy" << endl; }
};
void UseMallocFree()
{
Obj *a = (Obj *) malloc( sizeof( Obj ) ); // allocate memory
a->Initialize(); // initialization

cout<<"UseMallocFree()"<<endl;

a->Destroy();// deconstruction
free(a); // release memory
};

void UseNewDelete()
{
Obj *a = new Obj;   

cout<<"UseNewDeltee()"<<endl;

delete a;
};
////////////////////////////////////////////////////////////
//main.cpp

#include "main.h"

int main()
{
    Obj obj;//自動調(diào)用系統(tǒng)obj和~obj構(gòu)造和析構(gòu)函數(shù)
   
     UseNewDelete();
    //手動調(diào)用NewDelete()函數(shù)并調(diào)用Initialize()和Destroy()函數(shù)。

   UseMallocFree();
   //手動調(diào)用UseMallocFree()函數(shù)并自動obj構(gòu)造和~obj析構(gòu)。
   return 0;
}
同樣實(shí)現(xiàn)了C模擬C++構(gòu)造和析構(gòu)，還有其他更正規(guī)的方法。