MasterKotlin
Programming

|fun main() {
| println("Hello, Kotlin!")
| // Start your journey
|}

A growing, hands-on Kotlin learning repository focused on programming fundamentals, data structures, and algorithmic thinking.

Get Started Try Kotlin View on GitHub

Interactive Kotlin Playground

Write, run, and experiment with Kotlin code directly in your browser. No setup required!

Kotlin Playground

fun main() {
// Try Kotlin right in your browser!
val languages = listOf("Kotlin", "Java", "Swift", "JavaScript")

println("Kotlin is ${languages.indexOf("Kotlin") + 1}st in my list!")

// Using functional programming
languages
.filter { it.length > 5 }
.sortedBy { it }
.forEach { println("I also like $it") }
}

✓ Compilation successful

Why Use Our Playground?

Instant Execution
Run your code with a single click, no setup needed
Learn by Doing
Experiment with code examples and see results instantly
Ready-to-use Examples
Explore various Kotlin features with our curated examples

Open Full Playground

What You'll Find Here

Kotlin Language Guide

A modular, in-depth Kotlin tutorial: syntax, types, functions, coroutines, and more.

Algorithmic Foundations

Classic algorithms implemented and explained in Kotlin: searching, sorting, greedy, dynamic programming, and more.

Core Data Structures

Idiomatic Kotlin implementations of stacks, queues, trees, graphs, and more.

LeetCode Challenges

Clean Kotlin solutions with helpful commentary and explanations.

GitHub Repository

Project Navigation Map

Kotlin Educational is organized as a modular Kotlin Gradle project, with a focus on clarity, learning structure, and scalability.

Kotlin Basics

src/main/kotlin/kotlinBasics

Language guide with theory, syntax, examples, and exercises for beginners and self-learners.

Algorithms

src/main/kotlin/algorithms

Classical algorithms implemented in Kotlin for intermediate and advanced learners.

Data Structures

src/main/kotlin/basicStructures

Core data structures like stacks, queues, trees, and graphs for all skill levels.

LeetCode Solutions

src/main/kotlin/leetCode

Clean solutions to LeetCode problems with explanations for problem solvers.

Quick Start Paths

For Beginners

Start with the Kotlin Language Guide
Try modifying and running Kotlin examples
Read each module like a book, complete exercises
Practice with simple coding challenges

For Advanced Learners

Explore algorithms and data structures
Benchmark and expand implementations
Tackle LeetCode challenges
Optimize existing solutions

For Contributors

Improve guide modules
Add test coverage
Build new utilities in scripts
Submit pull requests with improvements

Kotlin Language Guide

We're building a full-scale beginner-friendly Kotlin tutorial, structured like a book — with theory, examples, and exercises.

Go beyond algorithms — master Kotlin as a real-world language.

Explore the Kotlin Language Guide

What's Included

1
Markdown-based theory with clear examples
2
Runnable Kotlin examples with comments
3
Practice tasks and mini-projects
4
Reference links to official docs

Current Progress

We're actively developing the guide, starting with core language features and gradually expanding to more advanced topics.

25%

Location: src/main/kotlin/kotlinBasics/core/

Contributions

We love collaboration! You can:

Suggest improvements to the guide
Add examples or exercises
Solve or improve existing LeetCode problems
Improve documentation or add tests
Or just star the repo to show support!

Contribute on GitHub

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