constructor overloading in c++ programming

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 constructor overloading in c++ programming

#include<iostream>
using namespace std;
class complex
{
    int a ,b;
    public:
    complex()
    {
    a=0;
    b=0;
    }
    complex(int x,int y)
    {
    a=x;
    b=y;
    }
    complex(int x)
    {
    a=x;
    b=0;
    }
    void printNumber ()
    {
    cout<<"Your number is "<<a<<" i"<<endl;
    }
};
int main()
{
complex c1(4 , 6);
c1.printNumber();
complex c2(5);
c2.printNumber();
complex c3(65);
c3.printNumber();
return 0;
} 




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