Happy Numbers in Java in chars. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 1st sean-niemann 🇺🇸 1,000 70 10 days ago 1st JayXon 🇺🇸 1,000 70 10 days ago 1st namelessiw 1,000 70 26 hours ago 4th nwellnhof 🇩🇪 886 79 10 days ago 5th DialFrost 🇸🇬 795 88 11 days ago 5th Yewzir 🇧🇪 795 88 3 days ago 7th dokutan 769 91 10 days ago 8th jared-hughes 745 94 10 days ago 9th primo-ppcg 🇹🇭 654 107 24 Apr 2020 9th prplz 🇦🇺 654 107 7 Jul 2020 9th ScottHamper 654 107 29 May 2021 9th Lydxn 🇨🇦 654 107 12 Jul 2021 9th MeWhenI 🇻🇦 654 107 31 Dec 2021 9th stefangimmillaro 654 107 15 Jul 2023 9th Steffan153 🇫🇮 654 107 9 Aug 2024 16th Shanethegamer 🇺🇸 636 110 10 days ago 17th h3ra993huskp 🇯🇵 603 116 20 Dec 2023 18th xkacer 🇨🇿 593 118 20 Nov 2020 18th CaedenHarper 🇨🇦 593 118 2 days ago 20th Apataras 579 121 25 Jul 2025 21st kmathis22 574 122 8 days ago 22nd janbehrens 🇩🇪 560 125 20 Jun 2023 22nd snoozingnewt 🇺🇸 560 125 10 days ago 24th Jacob385 556 126 21 Feb 2025 25th JunkIce 547 128 23 Feb 2025 25th Schmitt-Very-Cool 547 128 5 days ago 27th inventshah 479 146 17 Jun 2022 28th Irratix 🇳🇱 476 147 11 Dec 2021 29th neihousaigaai 461 152 8 May 2021 30th boxjelly 458 153 17 Feb 2021 31st KatieLG 🇬🇧 455 154 10 days ago 32nd Liibe 449 156 10 days ago 33rd Re-Adventures 🇮🇳 446 157 8 Mar 2021 34th cbrt-x 432 162 1 Sep 2021 35th ravnskjaer 🇩🇰 427 164 20 Dec 2024 36th Natanaelel 🇸🇪 424 165 31 Mar 2022 37th baumpilz 409 171 17 Dec 2020 38th KatieLG-Transpiler 🇬🇧 395 177 23 Jun 2022 39th xbxbxb007 393 178 11 Jan 2024 40th melikebuyruk 389 180 22 Mar 2021 40th yoshykai 389 180 15 Apr 2025 42nd msbranicky 374 187 9 Jan 2024 43rd yashima 372 188 21 Oct 2024 44th bac0id 365 192 30 Jun 2024 45th benradclyffe 361 194 15 May 2023 46th sonisonjames 355 197 11 Dec 2022 47th mokymok 🇺🇸 350 200 9 Nov 2021 47th HumanoidCPU 350 200 13 May 2024 47th syspro86 350 200 31 Jul 2024 50th luca1339 338 207 9 May 2024 51st jiaminglimjm 🇲🇾 337 208 4 Jul 2020 52nd retrohun 333 210 27 Dec 2022 52nd Mabeloid 🇳🇴 333 210 20 Sep 2024 54th jonah1068 327 214 15 Sep 2023 55th zt14427 326 215 2 May 2023 56th bwat2 293 239 10 Mar 2022 57th oeL87 251 279 29 Apr 2024 58th DaCuteRaccoon 217 322 30 Nov 2022 59th theunofficialcoder 216 324 21 Jan 2024 60th Grimmjow91 203 344 3 Jun 2020 61st gianlab 190 369 30 Apr 2020 62nd arvindrajarajan08 157 447 28 Aug 2025 63rd tejokumar 141 496 22 Jan 2022 64th oganaa 125 559 6 Feb 2023 65th PierceZ 86 818 29 Nov 2023 1–65 of 65