A constructor which is not take any argument is called zero argument constructor.or also knows as Default constructor. all object of a class with default constructor are initialize to same set of value.
Q.) Example of Default constructor .
#include < iostream>
using namespace std;
class Employee
{
public:
Employee()
{
cout<<"Shineskill"<< endl;
}
};
int main(void)
{
Employee e1; //creating an object of Employee
Employee e2;
return 0;
}