Method Overloading - Kamills-12/2143-OOP GitHub Wiki

Method Overloading

Kade Miller

What Is It?

Method overloading is when you use the same function name, but change up the parameters: type, number, or order. C++ figures out which one to call based on the input.

It’s super useful when you want a function to handle different types of data, without creating a whole new function name every time.

Quick Example in C++

#include <iostream>
using namespace std;

class Logger {
public:
    void log(string message) {
        cout << "[LOG]: " << message << endl;
    }

    void log(int code) {
        cout << "[ERROR CODE]: " << code << endl;
    }

    void log(string message, int code) {
        cout << "[LOG]: " << message << " (Code: " << code << ")" << endl;
    }
};

int main() {
    Logger logger;
    logger.log("System OK");              // calls first one
    logger.log(404);                      // calls second one
    logger.log("Not Found", 404);         // calls third one
    return 0;
}
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