Happy Numbers in Java in bytes. 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 Bytes Time 1st sean-niemann 🇺🇸 1,000 89 7 days ago 1st JayXon 🇺🇸 1,000 89 7 days ago 1st nwellnhof 🇩🇪 1,000 89 6 days ago 4th DialFrost 🇸🇬 908 98 7 days ago 5th dokutan 881 101 7 days ago 6th jared-hughes 856 104 7 days ago 7th Yewzir 🇧🇪 832 107 7 days ago 8th Shanethegamer 🇺🇸 809 110 7 days ago 9th kmathis22 730 122 5 days ago 10th snoozingnewt 🇺🇸 712 125 7 days ago 11th ScottHamper 706 126 16 Oct 2020 11th Lydxn 🇨🇦 706 126 29 May 2021 11th primo-ppcg 🇹🇭 706 126 23 Jun 2021 11th MeWhenI 🇻🇦 706 126 21 Sep 2021 11th stefangimmillaro 706 126 17 Jul 2022 11th Steffan153 🇫🇮 706 126 30 Nov 2022 11th h3ra993huskp 🇯🇵 706 126 20 Dec 2023 18th xkacer 🇨🇿 695 128 20 Nov 2020 18th Schmitt-Very-Cool 695 128 42 hours ago 20th prplz 🇦🇺 685 130 24 Oct 2020 21st Apataras 679 131 25 Jul 2025 22nd janbehrens 🇩🇪 664 134 26 Nov 2023 23rd Jacob385 654 136 21 Feb 2025 24th inventshah 610 146 17 Jun 2022 25th Irratix 🇳🇱 605 147 11 Dec 2021 26th neihousaigaai 586 152 8 May 2021 27th boxjelly 582 153 17 Feb 2021 28th KatieLG 🇬🇧 578 154 7 days ago 29th Liibe 571 156 6 days ago 30th Re-Adventures 🇮🇳 567 157 8 Mar 2021 30th CaedenHarper 🇨🇦 567 157 7 days ago 32nd JunkIce 556 160 23 Feb 2025 33rd cbrt-x 549 162 1 Sep 2021 34th ravnskjaer 🇩🇰 543 164 20 Dec 2024 35th Natanaelel 🇸🇪 539 165 31 Mar 2022 36th baumpilz 520 171 17 Dec 2020 37th KatieLG-Transpiler 🇬🇧 503 177 23 Jun 2022 38th xbxbxb007 500 178 11 Jan 2024 39th melikebuyruk 494 180 22 Mar 2021 39th yoshykai 494 180 15 Apr 2025 41st msbranicky 476 187 9 Jan 2024 42nd yashima 473 188 21 Oct 2024 43rd bac0id 464 192 30 Jun 2024 44th benradclyffe 459 194 15 May 2023 45th sonisonjames 452 197 11 Dec 2022 46th mokymok 🇺🇸 445 200 9 Nov 2021 46th HumanoidCPU 445 200 13 May 2024 46th syspro86 445 200 31 Jul 2024 49th luca1339 430 207 9 May 2024 50th jiaminglimjm 🇲🇾 428 208 4 Jul 2020 51st retrohun 424 210 27 Dec 2022 51st Mabeloid 🇳🇴 424 210 20 Sep 2024 53rd jonah1068 416 214 15 Sep 2023 54th zt14427 414 215 2 May 2023 55th bwat2 372 239 10 Mar 2022 56th oeL87 319 279 29 Apr 2024 57th DaCuteRaccoon 276 322 30 Nov 2022 58th theunofficialcoder 275 324 21 Jan 2024 59th Grimmjow91 259 344 3 Jun 2020 60th gianlab 241 369 30 Apr 2020 61st arvindrajarajan08 199 447 28 Aug 2025 62nd tejokumar 179 496 22 Jan 2022 63rd oganaa 159 559 6 Feb 2023 64th PierceZ 109 818 29 Nov 2023 1–64 of 64
