31constroverload.cpp

#include<iostream>
using namespace std;

class complex
{
    int a, b;
    public:
    complex(int x, int y)
    {
        a = x; 
        b = y;
    }
    complex(int x)
    {
        a = x;
        b = 0;
    }
    void display()
    {
        cout<<"z = "<<a<<" + "<<b<<"i"<<endl;
    }
};
int main()
{
    complex c1(6, 3);
    c1.display();

    complex c2(1);
    c2.display();

    //this is constructor overloading
    //here we created 2 constructor of same class that takes different number of parameters and based how many parameters we pass
    // they will be automatically be assigned to that particular object

    //passing default arguments is same as functions where a formal parameter is set to a constant value
    /*complex(int x, int y = 0)
    {
        a = x;
        b = y;
    }*/

    return 0;
}