Some katas from Codewars on Java.
Profile on Codewars: fartem.
| Name | Link to Codewars | Link to solution |
|---|---|---|
| Abbreviate a Two Word Name | Link | Link |
| Age Range Compatibility Equation | Link | Link |
| altERnaTIng cAsE <=> ALTerNAtiNG CaSe | Link | Link |
| A Needle in the Haystack | Link | Link |
| Array plus array | Link | Link |
| Basic variable assignment | Link | Link |
| Calculate average | Link | Link |
| Calculate BMI | Link | Link |
| Century From Year | Link | Link |
| Color Ghost | Link | Link |
| Convert a Boolean to a String | Link | Link |
| Convert a Number to a String! | Link | Link |
| Convert a String to a Number | Link | Link |
| Convert boolean values to strings 'Yes' or 'No'. | Link | Link |
| Convert number to reversed array of digits | Link | Link |
| Convert to Binary | Link | Link |
| Counting sheep... | Link | Link |
| Count Odd Numbers below n | Link | Link |
| Count of positives / sum of negatives | Link | Link |
| Count the Monkeys! | Link | Link |
| DNA to RNA Conversion | Link | Link |
| Even or Odd | Link | Link |
| Expressions Matter | Link | Link |
| Fake Binary | Link | Link |
| Find Nearest square number | Link | Link |
| Find numbers which are divisible by given number | Link | Link |
| Find the position! | Link | Link |
| FIXME: Replace all dots | Link | Link |
| Formatting decimal places #0 | Link | Link |
| get character from ASCII Value | Link | Link |
| Ghost code?! | Link | Link |
| Hex to Decimal | Link | Link |
| How do I compare numbers? | Link | Link |
| Invert value | Link | Link |
| Is it a number? | Link | Link |
| Is n divisible by x and y? | Link | Link |
| Jenny's secret message | Link | Link |
| L1: Set Alarm | Link | Link |
| Leonardo Dicaprio and Oscars | Link | Link |
| MakeUpperCase | Link | Link |
| No zeros for heros | Link | Link |
| N-th Power | Link | Link |
| Number toString | Link | Link |
| Opposite number | Link | Link |
| Opposites Attract | Link | Link |
| Parse nice int from char problem | Link | Link |
| Printing Array elements with Comma delimiters | Link | Link |
| Push a hash/an object into array | Link | Link |
| Remove First and Last Character | Link | Link |
| Remove String Spaces | Link | Link |
| Return Negative | Link | Link |
| Reversed sequence | Link | Link |
| Reversed Strings | Link | Link |
| Reversed Words | Link | Link |
| Sentence Smash | Link | Link |
| Simple multiplication | Link | Link |
| Sort and Star | Link | Link |
| Sort My Textbooks | Link | Link |
| Square(n) Sum | Link | Link |
| Squash the bugs | Link | Link |
| Stringy Strings | Link | Link |
| Subtract the Sum | Link | Link |
| Sum Mixed Array | Link | Link |
| Sum of positive | Link | Link |
| Sum without highest and lowest number | Link | Link |
| Swap Values | Link | Link |
| "this" is a problem | Link | Link |
| Total amount of points | Link | Link |
| Twice as old | Link | Link |
| Welcome to the City | Link | Link |
| Name | Link to Codewars | Link to solution |
|---|---|---|
| All Inclusive? | Link | Link |
| Alphabetical Addition | Link | Link |
| Alphabet symmetry | Link | Link |
| Alternate capitalization | Link | Link |
| Alternate case | Link | Link |
| Ch4113ng3 | Link | Link |
| Changing letters | Link | Link |
| Closest to Zero | Link | Link |
| Count the Characters | Link | Link |
| Covfefe | Link | Link |
| C. Wars | Link | Link |
| Descending Order | Link | Link |
| Difference between two collections | Link | Link |
| FIXME: Get Full Name | Link | Link |
| FIXME: Let's split this joint | Link | Link |
| Find all pairs | Link | Link |
| Fix string case | Link | Link |
| Flatten and sort an array | Link | Link |
| Form The Largest | Link | Link |
| Form The Minimum | Link | Link |
| Fun with lists: indexOf | Link | Link |
| Fun with lists: length | Link | Link |
| Get the Middle Character | Link | Link |
| Greatest common divisor | Link | Link |
| Highest and Lowest | Link | Link |
| How many arguments | Link | Link |
| How many times does it contain? | Link | Link |
| Insert dashes | Link | Link |
| Inspiring Strings | Link | Link |
| Is valid identifier? | Link | Link |
| Last | Link | Link |
| Lunar Mathematics: Addition | Link | Link |
| Make a function that does arithmetic! | Link | Link |
| max diff - easy | Link | Link |
| Maximum Multiple | Link | Link |
| Maximum Product | Link | Link |
| Odd-Even String Sort | Link | Link |
| Ordering the words! | Link | Link |
| Overflowing with joy | Link | Link |
| Parts of a list | Link | Link |
| Regex validate PIN code | Link | Link |
| Remove duplicate words | Link | Link |
| Reverse a Number | Link | Link |
| Rotate for a Max | Link | Link |
| Row Weights | Link | Link |
| Santa's Naughty List | Link | Link |
| Shortest Word | Link | Link |
| Sort Out The Men From Boys | Link | Link |
| Spacify | Link | Link |
| Split In Parts | Link | Link |
| Square Every Digit | Link | Link |
| String ends with? | Link | Link |
| String Merge! | Link | Link |
| Sum of Odd Cubed Numbers | Link | Link |
| Sum of odd numbers | Link | Link |
| The 12 Days of Christmas | Link | Link |
| The Highest profit wins! | Link | Link |
| Two to One | Link | Link |
| Vowel Count | Link | Link |
| Name | Link to Codewars | Link to solution |
|---|---|---|
| A + B == 123 | Link | Link |
| Backwards Read Primes | Link | Link |
| Bit Counting | Link | Link |
| Calculate String Rotation | Link | Link |
| Change case | Link | Link |
| Consecutive strings | Link | Link |
| Convert string to camel case | Link | Link |
| Count the smiley faces! | Link | Link |
| Create Phone Number | Link | Link |
| Dashatize it | Link | Link |
| Data Reverse | Link | Link |
| Detect Pangram | Link | Link |
| Equal Sided Of An Array | Link | Link |
| Find the odd int | Link | Link |
| Find the unique number | Link | Link |
| Format words into a sentence | Link | Link |
| Hex class | Link | Link |
| Highest Scoring Word | Link | Link |
| Is a number prime? | Link | Link |
| Jurassic Word | Link | Link |
| Missing Alphabet | Link | Link |
| Multiples of 3 or 5 | Link | Link |
| Numericals of a String | Link | Link |
| Overflowing with longing | Link | Link |
| Password Maker | Link | Link |
| Persistent Bugger. | Link | Link |
| Primorial Of a Number | Link | Link |
| Roman Numerals Encoder | Link | Link |
| Rotate Array | Link | Link |
| Simple string indices | Link | Link |
| Sort the odd | Link | Link |
| Stop gninnipS My sdroW! | Link | Link |
| Sum consecutives | Link | Link |
| Sum of Digits / Digital Root | Link | Link |
| Sums of Parts | Link | Link |
| Throw without throwing | Link | Link |
| Valid Braces | Link | Link |
| Valid Phone Number | Link | Link |
| Versions manager | Link | Link |
| What is your country's currency symbol? | Link | Link |
| Who likes it? | Link | Link |
| Who won the election | Link | Link |
| World Bits War | Link | Link |
| Write Number in Expanded Form | Link | Link |
| Your order, please | Link | Link |
| Name | Link to Codewars | Link to solution |
|---|---|---|
| Count IP Addresses | Link | Link |
| Human Readable Time | Link | Link |
| int32 to IPv4 | Link | Link |
| Longest Common Subsequence | Link | Link |
| Merged String Checker | Link | Link |
| Simple Pig Latin | Link | Link |
| Sort - one, three, two | Link | Link |
| Name | Link to Codewars | Link to solution |
|---|---|---|
| Bagels | Link | Link |
| Count ones in a segment | Link | Link |
| Permutations | Link | Link |