c++ program for default constructer

//default constructer

#include<iostream.h>
#include<conio.h>
class data
{
int a,b;
public:
data();
void put()
{
cout<<"\t"<<a<<"\t"<<b;
}
};
data::data()
{
cin>>a>>b;
}
int main()
{
data d1,d2;
d1.put();
d2.put();
getch();
return(0);
}