Kata Library: Scala Practice
Sign Up
Time to claim your honor
Training
Practice
Complete challenging
Kata
to earn honor and ranks. Re-train to hone technique
Freestyle Sparring
Take turns remixing and refactoring others code through
Kumite
Community
Leaderboards
Achieve honor and move up the global leaderboards
Chat
Join our
Discord
server and chat with your fellow code warriors
Discussions
View our
Github Discussions
board to discuss general Codewars topics
About
Docs
Learn about all of the different aspects of Codewars
Blog
Read the latest news from Codewars and the community
Log In
Sign Up
Library
Collections
Newest
Oldest
Popularity
Positive Feedback
Most Completed
Least Completed
Hardest
Easiest
Name
Relevance
Low Satisfaction
All
My Languages
Agda (Beta)
BF (Beta)
C
CFML (Beta)
Clojure
COBOL (Beta)
CoffeeScript
CommonLisp (Beta)
Coq
C++
Crystal
C#
D (Beta)
Dart
Elixir
Elm (Beta)
Erlang (Beta)
Factor (Beta)
Forth (Beta)
Fortran (Beta)
F#
Go
Groovy
Haskell
Haxe (Beta)
Idris (Beta)
Java
JavaScript
Julia (Beta)
Kotlin
λ Calculus (Beta)
Lean
Lua
NASM
Nim (Beta)
Objective-C (Beta)
OCaml (Beta)
Pascal (Beta)
Perl (Beta)
PHP
PowerShell (Beta)
Prolog (Beta)
PureScript (Beta)
Python
R (Beta)
Racket
Raku (Beta)
Reason (Beta)
RISC-V (Beta)
Ruby
Rust
Scala
Shell
Solidity (Beta)
SQL
Swift
TypeScript
VB (Beta)
Approved & Beta
Approved
Beta
All
Kata I have not trained on
Kata I have not completed
Kata I have completed
8 kyu
easiest
7 kyu
6 kyu
5 kyu
4 kyu
3 kyu
2 kyu
1 kyu
hardest
ASCII Art
3
Algorithms
53
Arrays
4
Binary
2
Ciphers
4
Cryptography
3
Data Structures
2
Date Time
1
Dynamic Programming
1
Fundamentals
12
Games
2
Geometry
1
Logic
6
Mathematics
7
Memoization
1
Parsing
2
Performance
2
Puzzles
2
Regular Expressions
7
Security
3
Strings
53
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
53 Kata Found
6 kyu
Arrh, grabscrab!
7,326
matstc
2 Issues Reported
Strings
Algorithms
6 kyu
Split Strings
166,883
jhoffner
Regular Expressions
Strings
Algorithms
5 kyu
The Hashtag Generator
105,050
AKJ.IO
15 Issues Reported
Strings
Algorithms
5 kyu
Thoughts in Motion: Echoing Waves
31
dfhwze
Algorithms
Strings
ASCII Art
6 kyu
Estimating Amounts of Subsets
2,264
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
4 kyu
Strip Comments
55,022
jhoffner
17 Issues Reported
Strings
Algorithms
4 kyu
Human readable duration format
86,358
davazp
5 Issues Reported
Strings
Date Time
Algorithms
6 kyu
Convert string to camel case
203,643
jhoffner
20 Issues Reported
Regular Expressions
Algorithms
Strings
6 kyu
Playing with passphrases
11,860
g964
4 Issues Reported
Strings
Algorithms
6 kyu
Moves in squared strings (IV)
1,605
g964
1 Issue Reported
Algorithms
Strings
6 kyu
Hidden "Cubic" numbers
3,183
g964
3 Issues Reported
Algorithms
Strings
4 kyu
Text align justify
8,483
kesheshyan
10 Issues Reported
Strings
Algorithms
7 kyu
Determine if the poker hand is flush
6,248
CodingWarrior
1 Issue Reported
Arrays
Algorithms
Logic
Strings
Games
7 kyu
Coloured Triangles
11,204
Avanta
Logic
Strings
Algorithms
4 kyu
Next smaller number with the same digits
11,788
LesRamer
1 Issue Reported
Strings
Mathematics
Algorithms
6 kyu
Moves in squared strings (III)
3,129
g964
2 Issues Reported
Algorithms
Strings
5 kyu
ROT13
28,562
hvaara
Strings
Ciphers
Regular Expressions
Algorithms
6 kyu
Parity bit - Error detecting code
897
pshp
Algorithms
Binary
Strings
Fundamentals
6 kyu
Moves in squared strings (II)
5,035
g964
Algorithms
Strings
7 kyu
Moves in squared strings (I)
14,105
g964
Fundamentals
Algorithms
Strings
6 kyu
Condi cipher
354
dcieslak
Ciphers
Strings
Algorithms
3 kyu
The boolean order
1,351
KenKamau
2 Issues Reported
Strings
Algorithms
4 kyu
Longest Common Subsequence (Performance version)
2,537
JohanWiltink
Performance
Strings
Dynamic Programming
Memoization
Algorithms
7 kyu
Multiply Word in String
4,576
ArmandLluka
2 Issues Reported
Strings
Algorithms
Fundamentals
Arrays
3 kyu
Alphabetic Anagrams
6,632
Azuaron
3 Issues Reported
Mathematics
Logic
Strings
Algorithms
7 kyu
Valid Parentheses
9,027
Kacarott
Strings
Parsing
Algorithms
6 kyu
Character with longest consecutive repetition
11,808
suic
Strings
Fundamentals
Algorithms
6 kyu
Stop gninnipS My sdroW!
293,003
xDranik
5 Issues Reported
Strings
Algorithms
6 kyu
Backspaces in string
19,154
vetalpaprotsky
3 Issues Reported
Fundamentals
Strings
Algorithms
6 kyu
Reverse or rotate?
24,117
g964
Algorithms
Strings
Loading...
Confirm
Collect:
undefined
Loading collection data...