Factory Method Design Pattern in Kotlin: A Comprehensive Guide

In the world of software development, creating objects might seem like a routine task, but what if you could supercharge the way you do it? Imagine having a design that lets you seamlessly create objects without tightly coupling your code to specific classes. Enter the Factory Method Design Pattern — a powerful yet flexible approach that turns the object creation process into a breeze.

In Kotlin, where simplicity meets versatility, this pattern shines even brighter! Whether you’re building scalable applications or writing clean, maintainable code, the Factory Method pattern offers a smart, reusable solution. Let’s dive into why this design pattern is a game-changer for Kotlin developers!

But before we proceed, let’s examine a problem that illustrates why the Factory Method design pattern is necessary in many scenarios.

Problem

Imagine you’re working on an app designed to simplify transportation bookings. At first, you’re just focusing on Taxis, a straightforward service. But as user feedback rolls in, it becomes clear: people are craving more options. They want to book Bikes, Buses, and even Electric Scooters — all from the same app.

So, your initial setup for Taxis might look something like this: