Kata Library: Java 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
2
Algebra
1
Algorithms
26
Arrays
3
Combinatorics
1
Data Science
1
Data Structures
2
Date Time
1
Design Patterns
2
Fundamentals
26
Games
2
Geometry
50
Graph Theory
2
Logic
4
Mathematics
31
Object-oriented Programming
2
Performance
2
Probability
1
Puzzles
5
Sorting
1
Strings
2
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
50 Kata Found
6 kyu
Draw a Circle.
281
AJFarmar
1 Issue Reported
Strings
Geometry
ASCII Art
Algorithms
6 kyu
A Fun Way of Finding Pythagorean Triples
292
brodiemark
Geometry
Mathematics
Algorithms
7 kyu
Geometry Basics: Triangle Perimeter in 2D
1,485
taw
1 Issue Reported
Geometry
Fundamentals
7 kyu
Geometry Basics: Dot Product in 3D
1,457
taw
Geometry
Fundamentals
8 kyu
Points of Reflection
10,881
webtechalex
Mathematics
Geometry
Algorithms
8 kyu
Volume of a Cuboid
118,304
user5196477
Geometry
Fundamentals
Mathematics
5 kyu
Catch the Bus
77
brodiemark
Probability
Date Time
Geometry
8 kyu
Surface Area and Volume of a Box
32,016
KaraM
1 Issue Reported
Geometry
Fundamentals
7 kyu
Largest Square Inside A Circle
14,040
Dana
1 Issue Reported
Geometry
Algorithms
6 kyu
Triangles made of random points
236
Muchacos
Mathematics
Geometry
Algorithms
Arrays
Performance
Fundamentals
6 kyu
Locate P using 3 Points and their distances to P
135
macambira
1 Issue Reported
Mathematics
Geometry
6 kyu
The Walker
1,154
g964
Fundamentals
Geometry
6 kyu
Tank Truck
4,955
g964
Mathematics
Geometry
5 kyu
Integer triangles
594
raulbc777
5 Issues Reported
Algorithms
Mathematics
Data Structures
Geometry
7 kyu
Calculate the Harmonic Conjugated Point of a Triplet of Aligned Points
522
raulbc777
4 Issues Reported
Fundamentals
Mathematics
Geometry
6 kyu
Rectangle into Squares
33,432
g964
2 Issues Reported
Fundamentals
Geometry
Puzzles
8 kyu
Localize The Barycenter of a Triangle
13,160
raulbc777
3 Issues Reported
Fundamentals
Mathematics
Geometry
7 kyu
Sum of angles
37,005
DemonKing
1 Issue Reported
Geometry
Fundamentals
6 kyu
Zig-Zag Camel
260
dinglemouse
Mathematics
Puzzles
Geometry
4 kyu
Grazing Donkey
252
hobovsky
Geometry
Performance
6 kyu
Line Safari : Point distance from a line
476
dinglemouse
1 Issue Reported
Geometry
Algorithms
6 kyu
Playing With Toy Blocks ~ Can you build a 4x4 square?
762
rowcased
Logic
Arrays
Games
Puzzles
Geometry
Algorithms
3 kyu
Total area covered by rectangles
985
tselishev-semen
3 Issues Reported
Algorithms
Geometry
7 kyu
Blood Moon
1,185
sazzadshopno
Mathematics
Geometry
Algorithms
8 kyu
Quadrants
22,305
EntityPlantt
Fundamentals
Mathematics
Geometry
6 kyu
Points in the circle
2,075
hubencu_st
1 Issue Reported
Geometry
Algorithms
Logic
Mathematics
Fundamentals
6 kyu
Sortable Shapes
2,861
FrankK
4 Issues Reported
Sorting
Fundamentals
Mathematics
Design Patterns
Arrays
Geometry
3 kyu
Screen Locking Patterns
5,008
rsalgado
2 Issues Reported
Mathematics
Combinatorics
Geometry
Algorithms
Graph Theory
6 kyu
Calculate the area of a regular n sides polygon inside a circle of radius r
4,620
Chrono79
3 Issues Reported
Mathematics
Geometry
Fundamentals
7 kyu
Area of a Circle
12,381
austinc
3 Issues Reported
Fundamentals
Algorithms
Geometry
Mathematics
Loading...
Confirm
Collect:
undefined
Loading collection data...