# Flutter OOP Concepts for Beginners
Welcome to the Flutter OOP Concepts repository! If you're new to Object-Oriented Programming (OOP) in Dart and Flutter, you're in the right place. This project is designed to help beginners grasp essential OOP principles through easy-to-understand explanations, relatable stories, and code examples.
## Table of Contents
1. [Classes and Objects](https://github.com/moyeenhaider3/Dart-Flutter-OOP-Examples/blob/master/#classes-and-objects)
2. [Encapsulation](https://github.com/moyeenhaider3/Dart-Flutter-OOP-Examples/blob/master/#encapsulation)
3. [Inheritance](https://github.com/moyeenhaider3/Dart-Flutter-OOP-Examples/blob/master/#inheritance)
4. [Polymorphism](https://github.com/moyeenhaider3/Dart-Flutter-OOP-Examples/blob/master/#polymorphism)
5. [Abstraction](https://github.com/moyeenhaider3/Dart-Flutter-OOP-Examples/blob/master/#abstraction)
## Classes and Objects
**What are Classes and Objects?**
Imagine you are a chef running a bakery. In your bakery, a class is like a recipe card that guides you in making a specific type of treat, say, chocolate chip cookies. This recipe card (class) includes all the details on what ingredients to use, how to mix them, and how long to bake the cookies.
Now, an object is like baking actual cookies using that recipe. When you follow the instructions from the recipe card (class), you create real, delicious chocolate chip cookies (objects). You can make many batches of cookies using the same recipe card (class), each batch being a unique set of cookies.
**Why are Classes and Objects Important?**
Classes and objects help you organize your baking adventures. With different recipe cards (classes), you can bake various treats (objects), each with its own taste and style.
**Imagine:**
Think of the class as your favorite recipe card for baking chocolate chip cookies, and objects are the actual batches of cookies you bake using that recipe. Each batch is a tasty creation, but they all follow the same set of instructions from your beloved recipe card.
**Code Example:**
[Classes and Objects Example](https://github.com/moyeenhaider3/Dart-Flutter-OOP-Examples/blob/master/classes_and_objects.dart)
## Encapsulation
**What is Encapsulation?**
Imagine you are a toy maker crafting special dolls in your workshop. Each doll has a hidden surprise inside, like a small pocket with a tiny gift. Now, encapsulation is like wrapping these surprises securely inside the doll.
In computer programming, encapsulation means bundling together the important stuff (data and functions) related to a specific thing, just like hiding the surprise inside the doll. It helps keep things organized and prevents anyone from accidentally messing with the surprises or the workings of the doll.
**Why is it Important?**
Encapsulation is important because it ensures that the surprises inside the doll are protected. It keeps everything neatly packaged, making it easier to manage and preventing any unintentional changes to the doll's hidden treasures.
**Imagine:**
Think of encapsulation as wrapping up the surprises inside a special doll, and the doll represents something in your computer program. The surprises (data and functions) are kept safe and sound, hidden away from anyone who doesn't need to interact with them.
Another way to think it is picturing a magical box that only opens with a secret code. The box (class) contains special items (data) and can perform amazing tricks (methods). You don't need to know how the tricks work; you just need to know the secret code to access them!
**Code Example:**
[Encapsulation Example](https://github.com/moyeenhaider3/Dart-Flutter-OOP-Examples/blob/master/encapsulation.dart)
## Inheritance
**What is Inheritance?**
Inheritance is like passing down traits from parents to children. It allows a new class (child) to inherit the characteristics and behaviors of an existing class (parent).
**Why is it Important?**
Inheritance promotes code reuse, making it easier to create and maintain code. It establishes a relationship between classes, where the child class can use the properties and methods of the parent class.
**Imagine:**
Think of a superhero (child class) inheriting superpowers (methods and properties) from their superhero parent. Each new superhero doesn't need to learn how to fly; they inherit the ability from their superhero parent!
**Code Example:**
[Inheritance Example](https://github.com/moyeenhaider3/Dart-Flutter-OOP-Examples/blob/master/inheritance.dart)
## Polymorphism
**What is Polymorphism?**
Imagine you have a magical remote control. This remote control can interact with different types of devices, like a TV, a fan, or even a robot toy. Now, polymorphism is like pressing the same button on your remote, but each device responding in its unique way.
In computer programming, polymorphism allows one thing, like a function or method, to work with different types of objects. It's like using that magical button on your remote, and each device (object) knows how to respond to it based on its own capabilities.
**Why is Polymorphism Important?**
Polymorphism is important because it adds flexibility. You can use the same button (function) for various devices (objects), making your code more versatile and easier to manage.
**Imagine:**
Think of polymorphism as having a universal remote control that works with different devices. Pressing the same button does different things for each device, showcasing their unique abilities, just like polymorphism allows one function to work with different types of objects.
**Code Example:**
[Polymorphism Example](https://github.com/moyeenhaider3/Dart-Flutter-OOP-Examples/blob/master/polymorphism.dart)
## Abstraction
**What is Abstraction?**
Imagine you have a toy robot. This robot has buttons on its surface, and when you press a button, it performs a specific action—let's say dancing. Now, abstraction is like focusing on the dance itself without worrying about how the robot's internal gears or circuits make it happen.
In computer programming, abstraction allows you to focus on what something does rather than how it does it. It's like using the dance button on your robot without needing to understand the complex mechanics inside.
**Why is Abstraction Important?**
Abstraction is important because it simplifies things. Instead of dealing with intricate details, you can interact with something based on its essential features, making it easier to use and understand.
**Imagine:**
Think of abstraction as using the dance button on your robot without caring about the gears and circuits inside. In programming, abstraction lets you focus on what things do, abstracting away the complex details of how they do it.
**Code Example:**
[Abstraction Example](https://github.com/moyeenhaider3/Dart-Flutter-OOP-Examples/blob/master/abstraction.dart)
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Feel free to explore the linked Dart files for detailed code examples and explanations of each OOP concept. Happy coding, and welcome to the world of Flutter OOP!