Question

How to use function overloading in C++

Answer 1

#include <iostream>

class Rectangle {
	public:
		void area(int x, int y) {
			std::cout << x * y << "\n";
		}
		void area(int x) {
			std::cout << x * x << "\n";
		}
		void area(int x, double y) {
			std::cout << x * y << "\n";
		}
		void area(double x) {
			std::cout << x * x << "\n";
		}
};

int main()
{
	Rectangle rect;
	
	rect.area(5, 8);
	rect.area(12);
	rect.area(8, 4.99);
	rect.area(3.14);
	
	return 0;
}



/*
run:

40
144
39.92
9.8596

*/

 

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