C++ Program to implements Constructor Overloading

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// overloading class constructors #include<iostream> using namespace std; class Rectangle { int width, height; public: Rectangle (); Rectangle (int, int); int area (void) { return (width * height); } }; Rectangle::Rectangle () { width = 5; height = 5; } Rectangle::Rectangle (int a, int b) { width = a; height = b; } int main () { Rectangle rect (3, 4); Rectangle rectb; cout << "rect area: " << rect.area () << endl; cout << "rectb area: " << rectb.area () << endl; return 0; }
Code language: C++ (cpp)

Output

react area: 12 reactb area: 25

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