Basics of Kotlin - Sling Academy

This series of tutorials helps you walk the first steps in the path of Kotlin. You'll learn how to write “Hello World” program with Kotlin and get familiar with its syntax.

1 What is Kotlin? A Beginner's Overview

2 Why Kotlin? Key Features You Should Know

3 Kotlin vs. Java: What’s the Difference?

4 Setting Up Your Kotlin Development Environment

5 Installing IntelliJ IDEA for Kotlin Programming

6 First Steps in Kotlin: Writing Your First Program

7 Hello, Kotlin! Your First Program Explained

8 Understanding Kotlin’s Code Structure

9 A Quick Tour of Kotlin Syntax

10 Setting Up Kotlin on the Command Line

11 Using Kotlin in Android Studio

12 How to Use Kotlin Playground for Practice

13 Understanding Kotlin REPL (Read-Eval-Print Loop)

14 Kotlin Variables: `val` vs. `var`

15 Data Types in Kotlin: What You Need to Know

16 Printing Output in Kotlin: `println` Simplified

17 Introduction to Type Inference in Kotlin

18 How to Write Comments in Kotlin

19 Using Block and Inline Comments in Kotlin

20 How to Declare Variables in Kotlin

21 Immutable Variables: The Power of `val`

22 Mutable Variables: When to Use `var`

23 How to Initialize Late Variables in Kotlin

24 Organizing Kotlin Code with Packages

25 Reserved Words in Kotlin: What You Can’t Use

26 Exploring Kotlin’s Keywords: The Essentials

27 Understanding the `fun` Keyword in Kotlin

28 What Does `object` Mean in Kotlin?

29 When to Use `data`, `sealed`, and `enum` in Kotlin

30 The `inline` Keyword Explained: A Quick Guide