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Katas

The "Awesome Katas" project is a curated collection of coding exercises designed to enhance programming skills through practice. Katas are small, focused coding challenges that help developers refine their problem-solving abilities and coding techniques. This list includes a variety of katas across multiple programming languages, along with resources for understanding algorithms, test-driven development, and community discussions. Whether you're a beginner looking to build confidence or an experienced developer aiming to sharpen your skills, this project offers valuable challenges to help you grow. Dive into the world of coding katas and discover new ways to elevate your programming expertise!

coding-katasprogramming-exercisesalgorithm-practicetest-driven-developmentdeveloper-skillscoding-challenges

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Table of Contents

5 sections · 68 projects

CodeKata

21 projects

Kata01: Supermarket Pricing

Kata02: Karate Chop

Kata03: How Big? How Fast?

Kata04: Data Munging

Kata05: Bloom Filters

Kata06: Anagrams

Kata07: How'd I Do?

Kata08: Conflicting Objectives

Kata09: Back to the Checkout

Kata10: Hashes vs. Classes

Kata11: Sorting It Out

Kata12: Best Sellers

Kata13: Counting Code Lines

Kata14: Tom Swift Under the Milkwood

Kata15: A Diversion

Kata16: Business Rules

Kata17: More Business Rules

Kata18: Transitive Dependencies

Kata19: Word Chains

Kata20: Klondike

Kata21: Simple Lists

Wonderland Clojure Katas

2 projects

Alphabet Cipher

A collection of Clojure programming katas inspired by Alice in Wonderland for learning and practice.

#functional-programming#educational#clojure

Last commit2 years ago

A collection of Clojure programming katas inspired by Alice in Wonderland for practicing functional programming concepts.

#developer-education#functional-programming#coding-exercises

Last commit2 years ago

SensioLabs PoleDev Katas

2 projects

Kata 1: (Form) DataTransformer

A collection of Symfony2 framework exercises to build developer reflexes through daily coding katas.

#symfony2#practice-katas#coding-exercises

Last commit10 years ago

Kata 2: (EventDispatcher) Event Listener / Event Dispatcher

A collection of Symfony2 framework exercises to build coding reflexes through daily katas.

#symfony2#practice-katas#coding-exercises

Last commit10 years ago

Gaurav Arora's TDD Katas Collection

3 projects

String Sum Kata

A collection of hands-on Test Driven Development katas implemented in C# for practicing unit testing and TDD principles.

#nunit3#csharp9#net5

Last commit3 years ago

String Calculator Kata

A collection of hands-on Test Driven Development katas implemented in C# for practicing unit testing and TDD principles.

#nunit3#csharp9#net5

Last commit3 years ago

The Word Wrap Kata

Others

40 projects

Look and Say Sequence

en.wikipedia.org

AKS primality test

en.wikipedia.org

Roman Numeral Converter

en.wikipedia.org

Natural sort order

en.wikipedia.org

.Net Code Katas

A collection of .NET coding katas with pre-built tests and base classes for practicing algorithmic problem-solving.

#unit-testing#educational#mstest

Last commit3 years ago

code.joejag.com

en.wikipedia.org

Racing Car Katas

A collection of code katas focused on refactoring legacy code to follow SOLID principles and improve testability.

#unit-testing#solid-principles#learning-resource

Last commit1 year ago

Coding Dojo's KataCatalogue

matteo.vaccari.name

The Birthday Greetings Kata

matteo.vaccari.name

Social Networking Kata

A console-based social networking application kata for practicing clean code and software design.

#programming-challenge#coding-exercise#social-network

Last commit8 years ago

Tell don't ask kata

A refactoring exercise focused on fixing violations of the Tell Don't Ask principle and anemic domain models in legacy code.

#anemic-domain-model#object-oriented-design#unit-testing

Last commit2 years ago

Functional Structures Refactoring Kata

A refactoring kata to practice removing side effects using functional programming structures like functors and monads.

#functional-programming#learning-exercise#category-theory

Last commit5 years ago

incremental_katas

A collection of coding katas where requirements are revealed incrementally to simulate real-world business interactions.

#developer-education#software-training#coding-katas

Last commit2 years ago

CLI Arguments Parser Kata

A TDD kata exercise for implementing a command-line argument parser incrementally through test-driven development.

#incremental#coding-exercise#refactoring-practice

Last commit6 years ago

A collection of self-contained Git exercises for deliberate practice and skill sharpening.

#workshop-material#hacktoberfest#technical-skills

Last commit5 months ago

Pdt256 katas (php, go, python, java, haskell, typescript)

A collection of code katas for practicing Test-Driven Development in Go, Haskell, Java, PHP, Python, and TypeScript.

#haskell#code-kata#java

Last commit3 years ago

Opening Hours Kata

A TDD and refactoring kata for implementing configurable shop opening hours with next opening date and current status.

#business-logic#date-time#kata

Last commit7 years ago

The Quantum Katas

A collection of self-paced tutorials and programming exercises for learning quantum computing and Q#.

#hacktoberfest#microsoft-qdk#unit-testing

Last commit1 year ago

katalyst.codurance.com

The Beverages Prices Refactoring Kata

A refactoring kata to practice replacing inheritance with composition when adding a new beverage supplement.

#learning-exercise#object-oriented-design#composition

Last commit7 years ago

The Goose Game Kata

A coding kata implementation of the classic Goose Game board game for practicing software design and TDD.

#game-logic#kata#deliberate-practice

Last commit6 years ago

Salary slip kata

A coding kata for practicing TDD and clean code by implementing a UK salary slip generator with progressive tax calculations.

#uk-tax#csharp#java

Last commit4 years ago

A curated collection of code kata instructions for practicing software development techniques and good coding habits.

#developer-training#learning-resources#software-practice

Last commit2 years ago

Train Reservation kata

A coding kata exercise for implementing a train seat reservation system with business rules and service integration.

#business-rules#rest-api#python-exercise

Last commit6 months ago

Password-strength Checker TDD Kata

A TDD kata exercise for building a password strength checker with validation rules for regular and admin users.

#coding-exercise#learning-tool#kata

Last commit3 years ago

Parrot Refactoring Kata

A refactoring exercise to practice identifying code smells and applying polymorphism to improve object-oriented design.

#code-smells#object-oriented-design#refactoring-kata

Last commit3 months ago

Gilded Rose - Many languages

A refactoring kata for practicing test-driven development and improving legacy code skills across multiple programming languages.

#multi-language#technical-coaching#coding-exercise

Last commit2 months ago

Gilded Rose Original - C#

A refactoring kata for practicing code improvement techniques on a legacy inventory management system.

#refactoring-kata#practice-project#tdd

Last commit2 years ago

Java by Comparison Kata

java.by-comparison.com

DNA Transcription Kata

A bioinformatics code kata for practicing DNA-to-protein sequence transformation through test-driven development.

#code-kata#educational#biology

Last commit3 years ago

Refactoring Golf Kata

A game to practice refactoring skills by transforming code between numbered holes with minimal strokes.

#code-golf#intellij#coding-exercise

Last commit2 years ago

Promotion Text Kata

A programming kata for practicing code readability and maintainability through refactoring a promotion text decorator.

#readability#unit-testing#maintainability

Last commit5 years ago

A hands-on programming kata for refactoring a CLI argument parser to improve code readability and maintainability.

#unit-testing#educational#maintainability

Last commit5 years ago

CodeCrafters(Build your own Git, Redis, Docker etc.)

app.codecrafters.io

Tennis Refactoring Kata

A refactoring exercise based on tennis scoring rules to practice improving existing code.

#code-smells#refactoring-kata#learning-tool

Last commit10 months ago

A self-paced workshop with hands-on exercises to learn Docker from basics to deploying containerized applications.

#cloud-shell#container-education#devops-learning

Last commit5 months ago

SupermarketReceipt Refactoring Kata

A refactoring kata for practicing test-driven development and code improvement on a supermarket receipt system.

#code-smells#learning-exercise#refactoring-kata

Last commit2 months ago

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