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Codewars is an educational online platform for computer programming. On the platform, users aka "codewarriors" try to solve programming challenges known as "kata" to practice programming skills and gain honor points, which represent the level of respect a user has earned from the community. Each kata is set to a kyū rank, based on its subject area and difficulty. The harder the kata, the more points. Every new codewarrior is ranked as 8 kyū (Beginner) and can advance through the ranks by completing kata at or above their rank to reach the final 4th dan (Master). Kyū indicates the number of degrees away from the master level. This is why they count downward. Once you reach the master level, we count upward.
Here is a collection of Java solutions for Codewars challenges grouped by a kyū rank. Each solved kata is placed in a separate folder named by its slug and contains a task description, a solution source code, and verification tests. All solutions were solved on the official website and are verified against their original tests every day by Travis CI automation. Pay attention: most solutions are written using Java 11 language features which could be incompatible with Java 8 kata versions.
New solutions keep adding every day. Hit the watch button to stay tuned!
If you find the repo helpful, please give it a thank with a star ⭐
For quick access use the index table or do a search by kata URL, name, ID or slug in the repository.
| Difficulty | Rank | Solved |
|---|---|---|
| Beginner (2 points) | 8th kyū | 169 out of 169 |
| 7th kyū | 288 out of 410 | |
| Novice (8 points) | 6th kyū | 15 out of 397 |
| 5th kyū | 4 out of 173 | |
| Competent (32 points) | 4th kyū | 4 out of 97 |
| 3rd kyū | 3 out of 32 | |
| Proficient (128 points) | 2nd kyū | 0 out of 24 |
| 1st kyū | 0 out of 16 |
Any contribution is highly appreciated you are very welcome to open issues or send pull requests.
"This solution doesn't solve my kata problem!" 😤
Please open an issue or create a pull request with a working copy.
"This solution has a bug!" 😱
Please open an issue or create a pull request with a fixed version.
"This solution is outdated and I know a better one!" 🤔
Please open an issue or create a pull request and share it.
"I didn't find a solution to my kata!" 🙄
You know what to do, right? 😉 Please open an issue and I'll prioritize it.
This project is licensed under the MIT License - see the LICENSE file for details