Constructors & destructors in C++:

#include <iostream.h>
#include <conio.h>
// Class definition
class ConDes
{
public: // Acess specifier
int W1;
ConDes(int Pi); // Constructor
~ConDes(); // Destructor
} GObj1(1),Gobj2(2);
ConDes::ConDes(int Pi)
{
cout<<"\n Beginning:"<<Pi<<"\n";
W1=Pi;
}
ConDes::~ConDes()
{
cout<<"Destructing:"<<W1;
cout<<"\n";
}
int main()
{
clrscr();
ConDes LocObj1(3);
cout<<"Karthikh Venkat - Students3k.com \n";
ConDes LocObj2(4);
getch();
return 0;
}

Output of this Program:

Beginning: 1

Beginning: 2

Beginning: 3

Karthikh Venkat - Students3k.com

Beginning: 4

Destructing: 4

Destructing: 3

Destructing: 2

Destructing: 1

Note: Based on the computer system’s environment and compiler models the result will be varied.

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