https://github.com/bnymellon/codekatas

Code Kata collection for JVM Languages and Libraries.
https://github.com/bnymellon/codekatas

eclipse-collections java java-17 java-20 java-21 java-lambda java-streams java-time kata kotlin

Last synced: 1 day ago
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Code Kata collection for JVM Languages and Libraries.

• Host: GitHub
• URL: https://github.com/bnymellon/codekatas
• Owner: BNYMellon
• License: apache-2.0
• Created: 2017-09-29T01:57:57.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2024-10-31T18:31:31.000Z (7 days ago)
• Last Synced: 2024-10-31T19:26:54.413Z (7 days ago)
• Topics: eclipse-collections, java, java-17, java-20, java-21, java-lambda, java-streams, java-time, kata, kotlin
• Language: Java
• Homepage:
• Size: 1.53 MB
• Stars: 402
• Watchers: 33
• Forks: 155
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Contributing: CONTRIBUTING.MD
  • License: LICENSE

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README

        
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# **What is a Code Kata?**

* A hands-on programming exercise which helps hone your skills through practice.

* Code Katas are usually set up as a series of unit tests which fail.

Your task is to make them pass.




I hear and I forget.
 

I see and I remember.
 

I do and I understand.
 




-- Confucius


## Katalogue

* [Java Lambda Kata](./java-lambda-kata) - Practice and learn Java 8 lambdas with simple exercises

* [Deck of Cards Kata](./deck-of-cards-kata) - Practice using Java 8 Streams, Eclipse Collections, 

Guava, Apache Commons and/or Vavr on a simple domain

* [Donut Kata](./donut-kata) - Practice and learn more advanced Eclipse Collections APIs using Java or Kotlin

* [Calendar Kata](./calendar-kata) - Practice and learn the APIs in the Java 8 Date/Time and ThreeTen-Extra libraries.

* [CodePoint Kata](./code-point-kata) - Read a secret message from a file into memory, translate it and then write out the revealed message to a file.

* [JMH Kata](./jmh-kata) - Experiment with the Java Microbenchmark Harness by running and writing micro-benchmark performance comparisons.

* [Pitest Mutation Kata](./pitest-mutation-kata) - Practice and learn how to improve the quality of your tests by hunting mutants.

* [Kata of Katas](./kata-of-katas) - Practice and learn advanced methods in Eclipse Collections.

* [Coffee Shop Kata](./coffee-shop-kata) - Practice and learn the latest Java features while comparing them with the older ones.

## Other Katas

* [Eclipse Collections Katas](https://github.com/eclipse/eclipse-collections-kata) - Practice and

   learn [Eclipse Collections](https://github.com/eclipse/eclipse-collections) Data Structures and Algorithms with seven code katas

## What you will need to build the katas

1. Java 21

2. Maven 3.6.1+

3. IDE of your choice

[actions]:https://github.com/BNYMellon/CodeKatas/actions?query=workflow%3A%22Code+Katas+CI+Build%22

[actions img]:https://github.com/BNYMellon/CodeKatas/workflows/Code%20Katas%20CI%20Build/badge.svg?branch=master

[solutions actions]:https://github.com/BNYMellon/CodeKatas/actions?query=workflow%3A%22Code+Katas+CI+Solutions+Build%22

[solutions actions img]:https://github.com/BNYMellon/CodeKatas/workflows/Code%20Katas%20CI%20Solutions%20Build/badge.svg?branch=master