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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.

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8 kyu
Removing Elements
77,806MorgzC41
Lists
Arrays
Fundamentals
Retired
Number toString (retired)
19,387YiQi
Bugs
Strings
Data Types
Retired
Watermelon (retired)
22,592AlexIsHappy
Fundamentals
Mathematics
Algorithms
Logic
Numbers
8 kyu
Reversed Strings
362,138jhoffner
Strings
Fundamentals
8 kyu
Sum Mixed Array
101,706PG1
Fundamentals
Strings
Arrays
8 kyu
Count the Monkeys!
69,258PG1
Arrays
Fundamentals
Lists
Algorithms
8 kyu
What is between?
71,026sgwozdz
Fundamentals
Algorithms
8 kyu
A Strange Trip to the Market
15,701sergarrick
Regular Expressions
Strings
Fundamentals
8 kyu
My head is at the wrong end!
48,534PG1
Arrays
Lists
Algorithms
8 kyu
Student's Final Grade
59,193ledocod
Fundamentals
5 kyu
Missing number in Unordered Arithmetic Progression
1,040Hacker Sakana
Algorithms
Mathematics
Performance
6 kyu
Split Strings
159,559jhoffner
Regular Expressions
Strings
Algorithms
8 kyu
Lario and Muigi Pipe Problem
41,776LiamSorta
Lists
Fundamentals
8 kyu
5 without numbers !!
36,449KH!
Restricted
Fundamentals
Puzzles
8 kyu
Expressions Matter
57,181MrZizoScream
Algorithms
Fundamentals
8 kyu
Multiply the number
21,612san00
Fundamentals
8 kyu
Simple Change Machine
3,310Peter Rhodes
Fundamentals
Strings
8 kyu
Classy Extentions
11,412matt c
Fundamentals
Object-oriented Programming
8 kyu
ASCII Total
13,962user3220651
Fundamentals
7 kyu
Bubblesort Once
6,874donaldsebleung
Algorithms
Tutorials
Sorting
7 kyu
Factory Functions #1 - Creating profile for people
580donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Training Time
3,534myjinxin2015
Fundamentals
Tutorials
7 kyu
Factory Functions #2 - Inheritance and Object Composition
380donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
8 kyu
Classic Hello World
19,333Javatlacati
Fundamentals
Object-oriented Programming
6 kyu
Unique In Order
187,304pinelopi
Algorithms
Fundamentals
5 kyu
String incrementer
49,652parceval
Regular Expressions
Strings
6 kyu
Your order, please
171,823iamstone
Strings
Fundamentals
6 kyu
Highest Scoring Word
101,643PG1
Fundamentals
Strings
Arrays