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 Submitted 1st sean-niemann 🇺🇸 1,000 89 390ms 24 Sep 2025 1st JayXon 🇺🇸 1,000 89 416ms 24 Sep 2025 1st nwellnhof 🇩🇪 1,000 89 462ms 25 Sep 2025 1st stefangimmillaro 1,000 89 471ms 18 days ago 5th namelessiw 989 90 462ms 20 days ago 6th DialFrost 🇸🇬 908 98 442ms 24 Sep 2025 6th Yewzir 🇧🇪 908 98 387ms 21 days ago 8th dokutan 881 101 423ms 24 Sep 2025 9th jared-hughes 856 104 462ms 24 Sep 2025 10th Shanethegamer 🇺🇸 809 110 458ms 25 Sep 2025 11th kmathis22 788 113 465ms 9 days ago 12th CaedenHarper 🇨🇦 754 118 550ms 20 days ago 13th Babafaba 730 122 481ms 9 days ago 14th snoozingnewt 🇺🇸 712 125 459ms 24 Sep 2025 15th ScottHamper 706 126 438ms 16 Oct 2020 15th Lydxn 🇨🇦 706 126 420ms 29 May 2021 15th primo-ppcg 🇹🇭 706 126 435ms 23 Jun 2021 15th MeWhenI 🇻🇦 706 126 444ms 21 Sep 2021 15th Steffan153 🇫🇮 706 126 421ms 30 Nov 2022 15th h3ra993huskp 🇯🇵 706 126 468ms 20 Dec 2023 21st xkacer 🇨🇿 695 128 427ms 20 Nov 2020 21st Schmitt-Very-Cool 695 128 450ms 23 days ago 23rd prplz 🇦🇺 685 130 411ms 24 Oct 2020 24th Apataras 679 131 413ms 25 Jul 2025 25th janbehrens 🇩🇪 664 134 401ms 26 Nov 2023 26th Jacob385 654 136 338ms 21 Feb 2025 27th inventshah 610 146 382ms 17 Jun 2022 28th Irratix 🇳🇱 605 147 403ms 11 Dec 2021 29th neihousaigaai 586 152 407ms 8 May 2021 30th boxjelly 582 153 415ms 17 Feb 2021 31st KatieLG 🇬🇧 578 154 475ms 24 Sep 2025 32nd Liibe 571 156 489ms 25 Sep 2025 33rd Re-Adventures 🇮🇳 567 157 396ms 8 Mar 2021 34th JunkIce 556 160 392ms 23 Feb 2025 35th cbrt-x 549 162 410ms 1 Sep 2021 36th ravnskjaer 🇩🇰 543 164 382ms 20 Dec 2024 37th Natanaelel 🇸🇪 539 165 372ms 31 Mar 2022 38th baumpilz 520 171 397ms 17 Dec 2020 39th KatieLG-Transpiler 🇬🇧 503 177 362ms 23 Jun 2022 40th xbxbxb007 500 178 384ms 11 Jan 2024 41st melikebuyruk 494 180 387ms 22 Mar 2021 41st yoshykai 494 180 407ms 15 Apr 2025 43rd msbranicky 476 187 402ms 9 Jan 2024 44th yashima 473 188 470ms 21 Oct 2024 45th bac0id 464 192 412ms 30 Jun 2024 46th benradclyffe 459 194 438ms 15 May 2023 47th sonisonjames 452 197 341ms 11 Dec 2022 48th mokymok 🇺🇸 445 200 313ms 9 Nov 2021 48th HumanoidCPU 445 200 356ms 13 May 2024 48th syspro86 445 200 494ms 31 Jul 2024 51st luca1339 430 207 434ms 9 May 2024 52nd jiaminglimjm 🇲🇾 428 208 393ms 4 Jul 2020 53rd retrohun 424 210 395ms 27 Dec 2022 53rd Mabeloid 🇳🇴 424 210 365ms 20 Sep 2024 55th jonah1068 416 214 399ms 15 Sep 2023 56th zt14427 414 215 408ms 2 May 2023 57th bwat2 372 239 416ms 10 Mar 2022 58th oeL87 319 279 474ms 29 Apr 2024 59th DaCuteRaccoon 276 322 433ms 30 Nov 2022 60th theunofficialcoder 275 324 355ms 21 Jan 2024 61st Grimmjow91 259 344 423ms 3 Jun 2020 62nd gianlab 241 369 427ms 30 Apr 2020 63rd arvindrajarajan08 199 447 447ms 28 Aug 2025 64th tejokumar 179 496 395ms 22 Jan 2022 65th oganaa 159 559 417ms 6 Feb 2023 66th PierceZ 109 818 496ms 29 Nov 2023 1–66 of 66
