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Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine.

Description

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Ad
8 kyu
Basic subclasses - Adam and Eve
18,629hansrusten
Fundamentals
Object-oriented Programming
8 kyu
Color Ghost
19,568ogryzek
Object-oriented Programming
Fundamentals
8 kyu
OOP: Object Oriented Piracy
20,763By-The-Ocean
Object-oriented Programming
Fundamentals
8 kyu
Finish Guess the Number Game
9,956brunolm
Fundamentals
Object-oriented Programming
8 kyu
Classy Classes
17,430matt c
Fundamentals
Object-oriented Programming
8 kyu
Classy Extentions
11,415matt c
Fundamentals
Object-oriented Programming
8 kyu
Playing with cubes II
8,392Jotha
Fundamentals
Object-oriented Programming
7 kyu
Remove All The Marked Elements of a List
11,463raulbc777
Fundamentals
Algorithms
Data Structures
7 kyu
Person Class Bug
7,304jhoffner
Debugging
Object-oriented Programming
7 kyu
User class for Banking System
4,188FourthFan
Fundamentals
Object-oriented Programming
7 kyu
Two fighters, one winner.
27,819Scopula
Games
Algorithms
Logic
Fundamentals
7 kyu
Python's Dynamic Classes #1
1,645adam-tokarski
Fundamentals
Object-oriented Programming
7 kyu
Python's Dynamic Classes #2
1,094adam-tokarski
Fundamentals
Object-oriented Programming
5 kyu
Python's Dynamic Classes #3
452adam-tokarski
Fundamentals
Object-oriented Programming
7 kyu
Make Class
1,974Jomopipi
Object-oriented Programming
Algorithms
7 kyu
Testing 1-2-3
77,217acr
Arrays
Fundamentals
7 kyu
Refactored Greeting
11,521jhoffner
Object-oriented Programming
Refactoring
7 kyu
These are not my grades! (Revamped !)
1,327kingcobra
Object-oriented Programming
Debugging
Fundamentals
7 kyu
Building Spheres
2,933NaMe613
Object-oriented Programming
Fundamentals
7 kyu
Split The Bill
8,326otajor
Fundamentals
Data Structures
7 kyu
The Lazy Startup Office
2,043Cleop
Arrays
Matrix
Fundamentals
7 kyu
Anything
673amrdraz
Object-oriented Programming
Fundamentals
7 kyu
Competitive eating scoreboard
1,390sofiapoh
Object-oriented Programming
Fundamentals
7 kyu
Building blocks
12,468NaMe613
Object-oriented Programming
Fundamentals
7 kyu
makeBackronym
6,395AkyunaAkish
Fundamentals
Strings
Retired
Unlimited Sum (retired)
4,586Lordnibbler
Mathematics
Fundamentals
7 kyu
First-Class Function Factory
7,091otajor
Fundamentals
Functional Programming
Arrays
6 kyu
DefaultList
717beniolenio
Fundamentals
6 kyu
Who has the most money?
4,809MrAppa
Object-oriented Programming
Algorithms
6 kyu
JSON Class Decorator
467SquishyStrawberry
Fundamentals
Object-oriented Programming
6 kyu
Level Up!
186NULLHE4D
Iterators
Algorithms
6 kyu
Simple Web Framework #1: Create a basic router
1,569int3_0xcc
Object-oriented Programming
Arrays
Fundamentals
6 kyu
Image host filename generator
6,381int3_0xcc
Logic
Object-oriented Programming
Strings
Fundamentals
6 kyu
Fractions class
1,538Dr.RiD
Fundamentals
Object-oriented Programming
6 kyu
Expected Type Decorator
493filipkonieczny
Fundamentals
Design Patterns
Object-oriented Programming
6 kyu
Construct Graph Class (simple)
339Joz
Object-oriented Programming
Fundamentals
Graph Theory
6 kyu
High score table
1,501kingcobra
Algorithms
Sorting
Searching
Arrays
Object-oriented Programming
6 kyu
RPS Knockout Tournament Winner
248FrankK
Games
Algorithms
Game Solvers
Design Patterns
Object-oriented Programming
6 kyu
Hex cipher
320kingcobra
Cryptography
Object-oriented Programming
Ciphers
Algorithms
6 kyu
Bingo Card
6,845FrankK
Games
Algorithms
6 kyu
A functional deck of cards....
840thatrubylove
Functional Programming
Fundamentals
6 kyu
Sortable Shapes
2,644FrankK
Sorting
Fundamentals
Mathematics
Design Patterns
Arrays
Geometry
6 kyu
Simple Substitution Cipher Helper
3,643jacobb
Ciphers
Security
Object-oriented Programming
Strings
Algorithms
6 kyu
Timer Decorator
817filipkonieczny
Fundamentals
Design Patterns
Object-oriented Programming
Date Time
6 kyu
Keyword Cipher Helper
934jacobb
Cryptography
Ciphers
Security
Object-oriented Programming
Strings
6 kyu
You look like a classy instance! Show me what you've got! - Part 1
584Skratch
Data Structures
Strings
Lists
Fundamentals
Object-oriented Programming
6 kyu
Node Mania
1,191marcsantiago
Linked Lists
Algorithms
Data Structures
5 kyu
Readable Specification Pattern
84FArekkusu
Fundamentals
Object-oriented Programming
Design Patterns
5 kyu
Snakes and Ladders
7,046adrian.eyre
Design Patterns
Games
Fundamentals
5 kyu
Simple Finite State Machine Compiler
765awesomeaf
State Machines
Interpreters
Compilers
5 kyu
Vector Class
865Detry322
Fundamentals
Object-oriented Programming
5 kyu
Connect 4
1,572adrian.eyre
Arrays
Fundamentals
5 kyu
Limited number of instances
93FArekkusu
Object-oriented Programming
Metaprogramming
5 kyu
Refactor a node-based calculator (DRY)
110FArekkusu
Refactoring
Object-oriented Programming
5 kyu
Lazy Repeater
7,631nklein
Iterators
Algorithms
5 kyu
Self-closing Cookie Jar
221ecolban
Object-oriented Programming
Fundamentals
5 kyu
Features of a Given Array
342raulbc777
Fundamentals
Data Structures
Algorithms
Sorting
Mathematics
Logic
Object-oriented Programming
5 kyu
Binary Search Trees
620ecolban
Object-oriented Programming
Algorithms
Data Structures
5 kyu
PaginationHelper
40,682jhoffner
Object-oriented Programming
Arrays
Algorithms
5 kyu
Caesar Cipher Helper
4,977eugene-bulkin
Ciphers
Object-oriented Programming
Strings
Algorithms
5 kyu
Vigenère Autokey Cipher Helper
1,220jacobb
Algorithms
Ciphers
Security
Object-oriented Programming
Strings
5 kyu
Vector class
8,622eugene-bulkin
Object-oriented Programming
Algorithms
Linear Algebra
4 kyu
5x5 Nonogram Solver
524Avanta
Algorithms
Logic
Games
Game Solvers
4 kyu
The Greatest Warrior
3,527BurstNova
Algorithms
Object-oriented Programming
4 kyu
Ranking Poker Hands
3,367FrankK
Games
Algorithms
Object-oriented Programming
4 kyu
Sortable Poker Hands
479FrankK
Games
Fundamentals
Sorting
Design Patterns
Algorithms
4 kyu
Vigenère Cipher Helper
8,454jacobb
Algorithms
Ciphers
Security
Object-oriented Programming
Strings
3 kyu
Metaclasses - Simple Django Models
275horejsek
Object-oriented Programming
Metaprogramming
Backend
3 kyu
Papers, Please
781docgunthrop
Object-oriented Programming
Games
Regular Expressions
Fundamentals
3 kyu
Blobservation
383docgunthrop
Logic
Games
Object-oriented Programming
Performance
Algorithms
2 kyu
Change detection decorator
196zellerede
Decorator
Algorithms
Metaprogramming
2 kyu
Full Metal Chemist #1: build me...
352Blind4Basics
Object-oriented Programming
Fundamentals
2 kyu
Debugger
650Dundee
Metaprogramming