Why default argument constructor is called as default constructor

Question

Class A {
public:
       A(int i = 0, int k = 0) {} // default constructor WHY ??
       ~A() {}
};
int main()
{
  A a; // This creates object using defined default          


        

Answer 1

According to c++ standard a default constructor is the one which can be called without arguments.It is also the reason for your quesrion.