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Codynn

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Kotlin Fundamentals

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Course Details

Language: Kotlin

Duration:

Difficulty:

Category: Programming, Software Development

Certificate: Yes

Requirements

No prior programming experience required A computer with internet access (Windows, Mac, or Linux) Willingness to install a free IDE (IntelliJ IDEA / Android Studio) or use Kotlin Playground in browser Basic computer literacy (installing software, using a text editor)

Content

01

Getting Started

4 Chapters - 0/4 Completed

What is Kotlin & Why Use It

Setting Up Environment (IDE, Kotlin Playground)

Your First Kotlin Program

Variables — val vs var

02

Data Types & Operators

4 Chapters - 0/4 Completed

Basic Types (Int, Double, Boolean, Char, String)

Type Inference & Type Casting

Arithmetic, Comparison & Logical Operators

String Templates & String Operations

03

Control Flow

4 Chapters - 0/4 Completed

if/else as Expressions

when Expression

for Loops & Ranges

while & do-while Loops

04

Functions

4 Chapters - 0/4 Completed

Function Basics & Return Types

Default & Named Arguments

Single-Expression Functions

Lambda Expressions & Higher-Order Functions

Frequently Asked Questions

Do I need prior programming experience to take this course?

No. This course is designed for absolute beginners and starts with the basics before building up to more advanced fundamentals.

Which tools do I need to follow along?

You can use IntelliJ IDEA (free Community Edition), Android Studio, or simply the Kotlin Playground in your browser. No complex setup required.

Is this course only useful for Android development?

No. While Kotlin is popular for Android, it is also used for backend (Ktor, Spring), multiplatform apps, and scripting. This course focuses on core language fundamentals applicable everywhere.

How are the challenges structured?

Each chapter includes a coding challenge tied directly to the concept just taught, so you immediately apply what you learn instead of just reading theory.

What should I learn after this course?

Once you complete Kotlin Fundamentals, the recommended next step is Object Oriented Programming in Kotlin, which builds directly on the concepts covered here.

Will this course be updated as Kotlin evolves?

Yes, content is reviewed and updated to reflect current stable Kotlin syntax and best practices.

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