Module 4 of 5 in Learn the Kotlin Language

Use Kotlin Classes

May 22 2024, Kotlin 1.9.24, Android 14, Kotlin Playground

This module covers leveraging the powers of classes in Kotlin. It illustrates how to create classes, add properties and methods, and then how to instance them in code. It does not cover general object-oriented programming principles as that is handled in another course. By Alex Chmyr.

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EXPERIENCE

Beginner level

EST TIME TO COMPLETE

2 hrs, 1 min

CONTENT

6 lessons

Module outcomes

Define classes
Create properties
Override methods
Use Inheritance
Instantiate objects
Interfaces

Covered concepts

Classes
Memory Management
Properties
Getters / Setters
Constructors
Initialization Blocks
Inheritance
Polymorphism
Overriding
Interfaces

Module content

Define Classes Lesson (20 mins)

In this lesson, you will learn what is the meaning of class, how it works behind the scenes, and how to create an instance of one.

Start

Introduction • Start Reading · 1 min

Instruction Reading · 14 mins

Demo Video · 5 mins

Conclusion Reading · 1 min

Quiz: Define Classes 6 questions

Use Properties Lesson (28 mins)

In this lesson you will learn how to add meaning to the class by creating and manipulating properties.

Start

Introduction • Start Reading · 1 min

Instruction Reading · 21 mins

Demo Video · 4 mins

Conclusion Reading · 1 min

Quiz: Use Properties 6 questions

Construct Class Instances Lesson (15 mins)

In this lesson you will learn many ways of creating class instances with a predefined set of values.

Start

Introduction • Start Reading · 1 min

Instruction Reading · 10 mins

Demo Video · 3 mins

Conclusion Reading · 1 min

Quiz: Construct Class Instances 6 questions

Leverage Inheritance Lesson (17 mins)

In this lesson you will learn more class concepts: inheritance and polymorphism

Start

Introduction • Start Reading · 1 min

Instruction Reading · 12 mins

Demo Video · 3 mins

Conclusion Reading · 1 min

Quiz: Leverage Inheritance 4 questions

Override Methods Lesson (22 mins)

In this lesson you will learn how to fine-tune the behavior of a class by extending it.

Start

Introduction • Start Reading · 1 min

Instruction Reading · 17 mins

Demo Video · 3 mins

Conclusion Reading · 1 min

Quiz: Override Methods 6 questions

Implement Interfaces Lesson (19 mins)

In this lesson you will learn the concept of interface.

Start

Introduction • Start Reading · 1 min

Instruction Reading · 14 mins

Demo Video · 3 mins

Conclusion Reading · 1 min

Quiz: Implement Interfaces 6 questions

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Use Kotlin Classes

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Advanced Kotlin Class Features

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