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      "title": "",
      "body": "@@ -296,16 +296,99 @@\n e a ban.\n+Plagiarism is really not a good practice in this community and is a great offense. \n %0A%0ANeed h\n",
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      "body": "Hello @drewie,thank you for your contribution through the Utopian.You have commited a plagiarism from [this post](https://steemit.com/utopian-io/@ckole/fetching-complete-history-and-spinning-feature-in-random-name-picker) and according to the Utopian Rules plagiarism is not allowed and may cause a ban.\n\nNeed help? Write a ticket on https://support.utopian.io/.\nChat with us on [Discord](https://discordapp.com/invite/uTyJkNm)\n[utopian-moderator](https://utopian.io/)",
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      "title": "Fetching complete history and spinning feature in Random Name Picker",
      "body": "Repository :https://github.com/Gear61/Random-Name-Picker\n\nCOMPONENT\n\nRandom name picker is an open source android application that fundamentally help you choose from a list of names at random. This app display names that are literally listed and are chosen at random for all intent and purpose depending on the chosen number of names to be displayed. In the chosen name history, only the chosen name is shown, time and date isn't displayed. Also the random pick is only one way, there isn't any way to spin other than clicking on CHOSE to show the name picked at random which made the app to be limited. Going further, i will give list of some features to enhance the project and i hope it would be put into consideration.\n\nPROPOSAL\n\nThis app was built to randomly pick names listed under list name and it has been a very good measure taken to make the app a good one, However, i will like to add my points to further enhance it in other to make users have more fun using Random Name Picker.\n\nDATE AND TIME\nWhen name is picked at random from the app, the picked name is stored somewhere in the chosen name history which can later be accessed when such information is needed but no information is complete without date and time of occurrence which is missing in the history. The date and time each name is randomly picked should be included in the history for reference purpose .since the names are already recorded, the date and time can as well be placed at the front of each name in the \"chosen name history. This will make the date and time traceable when needed.\n\nSPIN THE ROULETTE\n\nSince the app can only pick numbers at random by clicking on the \"CHOSE\" button below the listed names. It will be fun to have an alternative way of choosing names at random as the current design doesn't welcome some approaches .\nTo implement the spinning feature, the page on the app where names are picked at random will have a part as shown in the mock up that will be clicked to display a roulette in form of a pie chat. After names to be picked to random has been listed,the spin button will be clicked which will result in the display of a page showing the names in a circle (Roulette) . user can then click on spin below to select which ever name is pointed at by the pointer the moment the spinning circle stops.\nThis spinning feature can go a long way in making users catch fun with the app. The benefit below will shed more light and create some interesting effect.\n\nMOCKS/UP\n\nThe images below shows the look of Random Name Picker with listed names\n5678.png  1234.png\ncomparison between the present history page and the proposed one\nname history.png  name history 1234.png\n\nThe date and time will make the event track able any day any time.\nFrom the image below, clicking the SPIN will open another page where a ROULETTE can be accessed to spin\nhjhjhjhjhjhj.png\nparty games.png  who to answer question.png\nfrom the above images, the spinning feature can be used for fun by picking someone randomly and spinning the roulette to chose a task for the chosen person to perform...\n\nBENEFIT\nHaving stated the features that might enhance the app, I believe it will go a long way in making it more unique.\nThe date and time will allow the user to get the accurate history of activities done on the app. For instance, if a raffle draw is organized and the app is used as the tool to pick names at random, it would be easier and stress free to get the information of the event as touching name of winners, Time and the date the raffle took place after the event is long gone. Sometimes, draws are drawn at interval or even days in between, so if date and time are not present, it would be difficult to get the accurate history of the activities. Though there might be a way to go about it, it would be inappropriate to get the date and time elsewhere which in some cases might not even be correct if proper arrangement was not made in the first place.\nReally this might look simple but it will surely be of benefit.\n\nThe spinning feature will allow users to do more things with the app. apart from picking names by spinning, it can be used in birthday parties, home, schools and even get together events. Series of things can be done with the spinning feature.\nAs Random Picker normally randomly picks item from pre-defined lists setup on device. The spinning feature will integrate the process by making it more fun and exciting.\nIt can be used to groove a party!\nPeople can watch in suspense as their name stays in the running – or is eliminated – until the final random name is left! Watching as the roulette spins will create a kind of excitement as people watch and wait to see who gets the pointer.\nChoosing the random name and activities is part of the fun – a great attention from viewers\n\nIn conclusion\nThe Bar chart and pie chart are different but they work with the same list in arithmetic. So also the spinning roulette and current design of random name picker, they can virtually work on predefined list set up by user but the fun, excitement, and the presentation of the end product is incomparable.",
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      "permlink": "re-amosbastian-re-drewie-tic-tac-toe-game-user-vs-computer-on-java-20180219t212657606z",
      "title": "",
      "body": "hello,what is plagiarisim? @amosbastian",
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      "permlink": "re-drewie-tic-tac-toe-game-user-vs-computer-on-java-20180219t212301058z",
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      "body": "Your contribution cannot be approved because it does not follow the [Utopian Rules](https://utopian.io/rules), and is considered as **plagiarism**. Plagiarism is not allowed on Utopian, and posts that engage in plagiarism will be flagged and hidden forever.\n\nPlagiarised from [here](http://www.chegg.com/homework-help/questions-and-answers/need-help-java-program-must-use-either-1d-2d-array-solve--thanks-assist-import-javautilsca-q7638307) or somewhere else; it's not your code.\n\nYou can contact us on [Discord](https://discord.gg/uTyJkNm).\n**[[utopian-moderator]](https://utopian.io/moderators)**",
      "json_metadata": "{\"tags\":[\"utopian-io\"],\"community\":\"utopian\",\"app\":\"utopian/1.0.0\"}"
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      "permlink": "tic-tac-toe-game-user-vs-computer-on-java",
      "title": "Tic-Tac-Toe Game [ User Vs Computer ] On Java",
      "body": "\n#### What Will I Learn?\n\n- You will learn how to use variables,loops and arrays\n- You will learn how to make a tic tac toe game\n\n#### Requirements\n\n- Knowledge of coding on Java and Eclipse\n- Eclipse and Java must be setted up on the computer.\n\n#### Difficulty\n\n- Intermediate\n\n\n#### Tutorial Contents\n\nHello,in this tutorial we are going to make a player vs computer tic-tac-toe game by using java on eclipse.First i defined my needed one line library then named my program.After i defined integer type variables in a,b,c which is my rows and a1,c3 etc. is my columns,then i defined a new static named \"Scanner\" to scan where user and computer is choosed to make their move.\n\n```\nimport java.util.Scanner;\n\n\npublic class TicTacToeGameByDrewie\n{\n\nstatic int A1, A2, A3, B1, B2, B3, C1, C2, C3;\n\nstatic Scanner sc = new Scanner(System.in);\n\npublic static void main(String[] args)\n{\n ```\nIn the next step i defined my strings to welcome the user,and show user moves.In the below i used Boolean,this function is used to define True/false situation.GameisWon variable is false at that line because game has **not** started yet.\n\n```\npublic static void main(String[] args)\n{\nString prompt = \"Welcome to Tic-Tac-Toe Game. Please enter your first move: \";\nString humanMove = \"\";\nString computerMove = \"\";\nboolean gameIsWon = false; \n ```\n\nNow we are going to use for and if loop together.We made i<=9 because in this game there can be maximum 9 moves.First we define human move.\"Prompt\" is used to get input from the user so we are asking user to make the first movement.\n\nUpdateboard is used after user made his/her move,we put in on the screen and then we display is with using \"displayboard\".We do same thing for the computer in the below and if the user won we use our \"gameiswon\" class to find out.We define it on user and computers code lines and use if loop to check who won with using \"true\".In the last line we check if it is draw and if noone won we print out to say \"it is a draw\".\n\n```\nfor (int i = 1; i <=9; i++)\n{\nhumanMove = getMove(prompt);\nupdateBoard(humanMove, 1);\ndisplayBoard();\nif (isGameWon())\n{\nSystem.out.println(\"You beated me!\");\ngameIsWon = true;\nbreak;\n}\n\nif (i < 9)\n{\ncomputerMove = getComputerMove();\nSystem.out.println(\"I will play at \" + computerMove);\nupdateBoard(computerMove, 2);\ndisplayBoard();\nif (isGameWon())\n{\nSystem.out.println(\"I beated you!\");\ngameIsWon = true;\nbreak;\n}\nprompt = \"Please enter your next move: \";\ni++;\n}\n}\nif (!gameIsWon)\nSystem.out.println(\"It's a draw!\");\n}\n ```\n![1.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067430/hnl07w1kyhkh0sdzccwh.png)\n\nNow game is beggining.First of all we create a class to get users move if user make a wrong input for example \"a4\" this is a wrong input,we will warn user.Then we create another class,if the input is valid we define all the rows and columns with using \"equalsignorecase\" this method is basically compares the strings that you have defined.We equal them all to zero so if the user or computer make a movement it will change.\n\n```\npublic static String getMove(String prompt)\n\t{\n\t\tString play;\n\t\tSystem.out.print(prompt);\n\t\tdo\n\t\t{\n\t\t\tplay = sc.nextLine();\n\t\t\tif (!isValidPlay(play))\n\t\t\t{\n\t\t\t\tSystem.out.println(\"That is not a valid play.\");\n\t\t\t}\n\t\t} while (!isValidPlay(play));\n\t\treturn play;\n\t}\n\n\tpublic static boolean isValidPlay(String play)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\") & A1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A2\") & A2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A3\") & A3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B1\") & B1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B2\") & B2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B3\") & B3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C1\") & C1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C2\") & C2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C3\") & C3 == 0)\n\t\t\treturn true;\n\t\treturn false;\n\t}\n       \n ```\n\n![2.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067731/mup6poxzabmcaxzm3yqu.png)\n\nNow until here user and computer has made their move now we have to show it to user and update it.To do this we use \"equalsignorecase\" again.Basically we define users movement to the program with evaluating all the possibilities.\n\n```\npublic static void updateBoard(String play, int player)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\"))\n\t\t\tA1 = player;\n\t\tif (play.equalsIgnoreCase(\"A2\"))\n\t\t\tA2 = player;\n\t\tif (play.equalsIgnoreCase(\"A3\"))\n\t\t\tA3 = player;\n\t\tif (play.equalsIgnoreCase(\"B1\"))\n\t\t\tB1 = player;\n\t\tif (play.equalsIgnoreCase(\"B2\"))\n\t\t\tB2 = player;\n\t\tif (play.equalsIgnoreCase(\"B3\"))\n\t\t\tB3 = player;\n\t\tif (play.equalsIgnoreCase(\"C1\"))\n\t\t\tC1 = player;\n\t\tif (play.equalsIgnoreCase(\"C2\"))\n\t\t\tC2 = player;\n\t\tif (play.equalsIgnoreCase(\"C3\"))\n\t\t\tC3 = player;\n\t}\n       \n ```\n\nIn this step because of we haven't made an applet,we have to draw a tic-tac-toe game for the visuality.With using system.print.out as you know we asked user to make first move above after user choose where to move for example \"a1\" this lines will draw a X to a1.\n\nThen we must define to the program who is playing.To do that we create another class and as you know we defined \"square\".This is to find out whos turn is it.If it is users turn program will draw X if not it will draw \"O\".\n\n```\n      public static void displayBoard()\n\t{\n\t\tString line = \"\";\n\t\tSystem.out.println();\n\t\tline = \" \" + getXO(A1) + \" | \" + getXO(A2) + \" | \" + getXO(A3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(B1) + \" | \" + getXO(B2) + \" | \" + getXO(B3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(C1) + \" | \" + getXO(C2) + \" | \" + getXO(C3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println();\n\t}\n\n\tpublic static String getXO(int square)\n\t{\n\t\tif (square == 1)\n\t\t\treturn \"X\";\n\t\tif (square == 2)\n\t\t\treturn \"O\";\n\t\treturn \" \";\n\t} \n ```\n\n![3.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068433/mp8hhx3pirl7qqssng0w.png)\n\nIn the final step we do same thing we did for the user.We define computers move to the program with creating a class and using if loop to evaluate the possibilities and define each line and column and equal to zero.\n\nThen we create another class to define the possibilites of winning.You can win with making 3 line cross,vertical or horizontal so we define all the possibilities and if user or computer made it through the 3 lines correctly we use \"return true\" which will show the message whoever won.It can be a draw so if any of cases didn't happen it will return false \"draw\" message.\n\n```\npublic static String getComputerMove()\n\t{\n\t\tif (A1 == 0)\n\t\t\treturn \"A1\";\n\t\tif (A2 == 0)\n\t\t\treturn \"A2\";\n\t\tif (A3 == 0)\n\t\t\treturn  \"A3\";\n\t\tif (B1 == 0)\n\t\t\treturn  \"B1\";\n\t\tif (B2 == 0)\n\t\t\treturn  \"B2\";\n\t\tif (B3 == 0)\n\t\t\treturn  \"B3\";\n\t\tif (C1 == 0)\n\t\t\treturn  \"C1\";\n\t\tif (C2 == 0)\n\t\t\treturn  \"C2\";\n\t\tif (C3 == 0)\n\t\t\treturn  \"C3\";\n\t\treturn \"\";\n\t}\n\n\tpublic static boolean isGameWon()\n\t{\n\t\tif (isRowWon(A1, A2, A3))\n\t\t\treturn true;\n\t\tif (isRowWon(B1, B2, B3))\n\t\t\treturn true;\n\t\tif (isRowWon(C1, C2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B1, C1))\n\t\t\treturn true;\n\t\tif (isRowWon(A2, B2, C2))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B3, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B2, C1))\n\t\t\treturn true;\n\t\treturn false;\n\t}\npublic static boolean isRowWon(int a, int b, int c)\n\t{\n\t\treturn ((a == b) & (a == c) & (a != 0));\n\t}\n}\n ```\n![4.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068784/ay0l6otaa9ktm2pctbpv.png)\n\n#### Whole code with the screenshots and output\n\n```\n    import java.util.Scanner;\n\npublic class TicTacToeGameByDrewie\n{\n\n\tstatic int A1, A2, A3, B1, B2, B3, C1, C2, C3;\n\n\tstatic Scanner sc = new Scanner(System.in);\n\n\tpublic static void main(String[] args)\n\t{\n\t\tString prompt = \"Welcome to Tic-Tac-Toe Game. Please enter your first move: \";\n\t\tString humanMove = \"\";\n\t\tString computerMove = \"\";\n\t\tboolean gameIsWon = false;\n\n\n\t\tfor (int i = 1; i <=9; i++)\n\t\t{\n\n\t\t\thumanMove = getMove(prompt);\n\t\t\tupdateBoard(humanMove, 1);\n\t\t\tdisplayBoard();\n\t\t\tif (isGameWon())\n\t\t\t{\n\t\t\t\tSystem.out.println(\"You beated me!\");\n\t\t\t\tgameIsWon = true;\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tif (i < 9)\n\t\t\t{\n\t\t\t\tcomputerMove = getComputerMove();\n\t\t\t\tSystem.out.println(\"I will play at \" + computerMove);\n\t\t\t\tupdateBoard(computerMove, 2);\n\t\t\t\tdisplayBoard();\n\t\t\t\tif (isGameWon())\n\t\t\t\t{\n\t\t\t\t\tSystem.out.println(\"I beated you!\");\n\t\t\t\t\tgameIsWon = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tprompt = \"Please enter your next move: \";\n\t\t\t\ti++;\n\t\t\t}\n\t\t}\n\t\tif (!gameIsWon)\n\t\t\tSystem.out.println(\"It's a draw!\");\n\t}\n\n\tpublic static String getMove(String prompt)\n\t{\n\t\tString play;\n\t\tSystem.out.print(prompt);\n\t\tdo\n\t\t{\n\t\t\tplay = sc.nextLine();\n\t\t\tif (!isValidPlay(play))\n\t\t\t{\n\t\t\t\tSystem.out.println(\"That is not a valid play.\");\n\t\t\t}\n\t\t} while (!isValidPlay(play));\n\t\treturn play;\n\t}\n\n\tpublic static boolean isValidPlay(String play)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\") & A1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A2\") & A2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A3\") & A3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B1\") & B1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B2\") & B2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B3\") & B3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C1\") & C1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C2\") & C2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C3\") & C3 == 0)\n\t\t\treturn true;\n\t\treturn false;\n\t}\n\n\tpublic static void updateBoard(String play, int player)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\"))\n\t\t\tA1 = player;\n\t\tif (play.equalsIgnoreCase(\"A2\"))\n\t\t\tA2 = player;\n\t\tif (play.equalsIgnoreCase(\"A3\"))\n\t\t\tA3 = player;\n\t\tif (play.equalsIgnoreCase(\"B1\"))\n\t\t\tB1 = player;\n\t\tif (play.equalsIgnoreCase(\"B2\"))\n\t\t\tB2 = player;\n\t\tif (play.equalsIgnoreCase(\"B3\"))\n\t\t\tB3 = player;\n\t\tif (play.equalsIgnoreCase(\"C1\"))\n\t\t\tC1 = player;\n\t\tif (play.equalsIgnoreCase(\"C2\"))\n\t\t\tC2 = player;\n\t\tif (play.equalsIgnoreCase(\"C3\"))\n\t\t\tC3 = player;\n\t}\n\n\tpublic static void displayBoard()\n\t{\n\t\tString line = \"\";\n\t\tSystem.out.println();\n\t\tline = \" \" + getXO(A1) + \" | \" + getXO(A2) + \" | \" + getXO(A3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(B1) + \" | \" + getXO(B2) + \" | \" + getXO(B3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(C1) + \" | \" + getXO(C2) + \" | \" + getXO(C3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println();\n\t}\n\n\tpublic static String getXO(int square)\n\t{\n\t\tif (square == 1)\n\t\t\treturn \"X\";\n\t\tif (square == 2)\n\t\t\treturn \"O\";\n\t\treturn \" \";\n\t}\n\n\tpublic static String getComputerMove()\n\t{\n\t\tif (A1 == 0)\n\t\t\treturn \"A1\";\n\t\tif (A2 == 0)\n\t\t\treturn \"A2\";\n\t\tif (A3 == 0)\n\t\t\treturn  \"A3\";\n\t\tif (B1 == 0)\n\t\t\treturn  \"B1\";\n\t\tif (B2 == 0)\n\t\t\treturn  \"B2\";\n\t\tif (B3 == 0)\n\t\t\treturn  \"B3\";\n\t\tif (C1 == 0)\n\t\t\treturn  \"C1\";\n\t\tif (C2 == 0)\n\t\t\treturn  \"C2\";\n\t\tif (C3 == 0)\n\t\t\treturn  \"C3\";\n\t\treturn \"\";\n\t}\n\n\tpublic static boolean isGameWon()\n\t{\n\t\tif (isRowWon(A1, A2, A3))\n\t\t\treturn true;\n\t\tif (isRowWon(B1, B2, B3))\n\t\t\treturn true;\n\t\tif (isRowWon(C1, C2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B1, C1))\n\t\t\treturn true;\n\t\tif (isRowWon(A2, B2, C2))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B3, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B2, C1))\n\t\t\treturn true;\n\t\treturn false;\n\t}\n\n\tpublic static boolean isRowWon(int a, int b, int c)\n\t{\n\t\treturn ((a == b) & (a == c) & (a != 0));\n\t}\n}\n\n   \n ```\n\n![5.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069063/njskjts7behabjn7winf.png)\n\n![6.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069177/p9dngye2o2vcrrsnvpby.png)\n\n![7.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069187/vj5qvigzy9h0qwpgejkp.png)\n\n![8.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069194/exh7tpe6zlfzzbatavez.png)\n\n![9.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069201/klf4yrsfhheiyvbbfsdu.png)\n\n#### Outputs\n\n![10.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069276/bpab5og1qesejuzul3zi.png)\n\n![11.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069333/ie14yhxyxav0gbz9mxuj.png)\n\n\n#### Curriculum\n\n- [First Tutorial](https://utopian.io/utopian-io/@drewie/making-form-applet-and-adding-checkboxs-on-java)\n- [Second Tutorial](https://utopian.io/utopian-io/@drewie/making-a-steembackeddollar-currency-converter-on-java)\n\n    \n\n<br /><hr/><em>Posted on <a href=\"https://utopian.io/utopian-io/@drewie/tic-tac-toe-game-user-vs-computer-on-java\">Utopian.io -  Rewarding Open Source Contributors</a></em><hr/>",
      "json_metadata": "{\"community\":\"utopian\",\"app\":\"utopian/1.0.0\",\"format\":\"markdown\",\"repository\":{\"id\":5360933,\"name\":\"openjdk\",\"full_name\":\"dmlloyd/openjdk\",\"html_url\":\"https://github.com/dmlloyd/openjdk\",\"fork\":false,\"owner\":{\"login\":\"dmlloyd\"}},\"pullRequests\":[],\"platform\":\"github\",\"type\":\"tutorials\",\"tags\":[\"utopian-io\",\"utopian-io\",\"tutorial\",\"java\",\"eclipse\"],\"users\":[\"drewie\"],\"links\":[\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067430/hnl07w1kyhkh0sdzccwh.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067731/mup6poxzabmcaxzm3yqu.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068433/mp8hhx3pirl7qqssng0w.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068784/ay0l6otaa9ktm2pctbpv.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069063/njskjts7behabjn7winf.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069177/p9dngye2o2vcrrsnvpby.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069187/vj5qvigzy9h0qwpgejkp.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069194/exh7tpe6zlfzzbatavez.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069201/klf4yrsfhheiyvbbfsdu.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069276/bpab5og1qesejuzul3zi.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069333/ie14yhxyxav0gbz9mxuj.png\",\"https://utopian.io/utopian-io/@drewie/making-form-applet-and-adding-checkboxs-on-java\",\"https://utopian.io/utopian-io/@drewie/making-a-steembackeddollar-currency-converter-on-java\"],\"image\":[\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067430/hnl07w1kyhkh0sdzccwh.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067731/mup6poxzabmcaxzm3yqu.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068433/mp8hhx3pirl7qqssng0w.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068784/ay0l6otaa9ktm2pctbpv.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069063/njskjts7behabjn7winf.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069177/p9dngye2o2vcrrsnvpby.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069187/vj5qvigzy9h0qwpgejkp.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069194/exh7tpe6zlfzzbatavez.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069201/klf4yrsfhheiyvbbfsdu.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069276/bpab5og1qesejuzul3zi.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069333/ie14yhxyxav0gbz9mxuj.png\"],\"moderator\":{\"account\":\"amosbastian\",\"time\":\"2018-02-19T21:22:02.176Z\",\"flagged\":true,\"reviewed\":false,\"pending\":false},\"questions\":[],\"score\":0}"
    }
  ]
}

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  "trx_id": "69fb7f68da8b5217477553e59fdd94dd02eb3dcd",
  "block": 20016883,
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  "timestamp": "2018-02-19T21:22:00",
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    "comment",
    {
      "parent_author": "",
      "parent_permlink": "utopian-io",
      "author": "drewie",
      "permlink": "tic-tac-toe-game-user-vs-computer-on-java",
      "title": "Tic-Tac-Toe Game [ User Vs Computer ] On Java",
      "body": "\n#### What Will I Learn?\n\n- You will learn how to use variables,loops and arrays\n- You will learn how to make a tic tac toe game\n\n#### Requirements\n\n- Knowledge of coding on Java and Eclipse\n- Eclipse and Java must be setted up on the computer.\n\n#### Difficulty\n\n- Intermediate\n\n\n#### Tutorial Contents\n\nHello,in this tutorial we are going to make a player vs computer tic-tac-toe game by using java on eclipse.First i defined my needed one line library then named my program.After i defined integer type variables in a,b,c which is my rows and a1,c3 etc. is my columns,then i defined a new static named \"Scanner\" to scan where user and computer is choosed to make their move.\n\n```\nimport java.util.Scanner;\n\n\npublic class TicTacToeGameByDrewie\n{\n\nstatic int A1, A2, A3, B1, B2, B3, C1, C2, C3;\n\nstatic Scanner sc = new Scanner(System.in);\n\npublic static void main(String[] args)\n{\n ```\nIn the next step i defined my strings to welcome the user,and show user moves.In the below i used Boolean,this function is used to define True/false situation.GameisWon variable is false at that line because game has **not** started yet.\n\n```\npublic static void main(String[] args)\n{\nString prompt = \"Welcome to Tic-Tac-Toe Game. Please enter your first move: \";\nString humanMove = \"\";\nString computerMove = \"\";\nboolean gameIsWon = false; \n ```\n\nNow we are going to use for and if loop together.We made i<=9 because in this game there can be maximum 9 moves.First we define human move.\"Prompt\" is used to get input from the user so we are asking user to make the first movement.\n\nUpdateboard is used after user made his/her move,we put in on the screen and then we display is with using \"displayboard\".We do same thing for the computer in the below and if the user won we use our \"gameiswon\" class to find out.We define it on user and computers code lines and use if loop to check who won with using \"true\".In the last line we check if it is draw and if noone won we print out to say \"it is a draw\".\n\n```\nfor (int i = 1; i <=9; i++)\n{\nhumanMove = getMove(prompt);\nupdateBoard(humanMove, 1);\ndisplayBoard();\nif (isGameWon())\n{\nSystem.out.println(\"You beated me!\");\ngameIsWon = true;\nbreak;\n}\n\nif (i < 9)\n{\ncomputerMove = getComputerMove();\nSystem.out.println(\"I will play at \" + computerMove);\nupdateBoard(computerMove, 2);\ndisplayBoard();\nif (isGameWon())\n{\nSystem.out.println(\"I beated you!\");\ngameIsWon = true;\nbreak;\n}\nprompt = \"Please enter your next move: \";\ni++;\n}\n}\nif (!gameIsWon)\nSystem.out.println(\"It's a draw!\");\n}\n ```\n![1.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067430/hnl07w1kyhkh0sdzccwh.png)\n\nNow game is beggining.First of all we create a class to get users move if user make a wrong input for example \"a4\" this is a wrong input,we will warn user.Then we create another class,if the input is valid we define all the rows and columns with using \"equalsignorecase\" this method is basically compares the strings that you have defined.We equal them all to zero so if the user or computer make a movement it will change.\n\n```\npublic static String getMove(String prompt)\n\t{\n\t\tString play;\n\t\tSystem.out.print(prompt);\n\t\tdo\n\t\t{\n\t\t\tplay = sc.nextLine();\n\t\t\tif (!isValidPlay(play))\n\t\t\t{\n\t\t\t\tSystem.out.println(\"That is not a valid play.\");\n\t\t\t}\n\t\t} while (!isValidPlay(play));\n\t\treturn play;\n\t}\n\n\tpublic static boolean isValidPlay(String play)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\") & A1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A2\") & A2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A3\") & A3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B1\") & B1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B2\") & B2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B3\") & B3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C1\") & C1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C2\") & C2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C3\") & C3 == 0)\n\t\t\treturn true;\n\t\treturn false;\n\t}\n       \n ```\n\n![2.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067731/mup6poxzabmcaxzm3yqu.png)\n\nNow until here user and computer has made their move now we have to show it to user and update it.To do this we use \"equalsignorecase\" again.Basically we define users movement to the program with evaluating all the possibilities.\n\n```\npublic static void updateBoard(String play, int player)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\"))\n\t\t\tA1 = player;\n\t\tif (play.equalsIgnoreCase(\"A2\"))\n\t\t\tA2 = player;\n\t\tif (play.equalsIgnoreCase(\"A3\"))\n\t\t\tA3 = player;\n\t\tif (play.equalsIgnoreCase(\"B1\"))\n\t\t\tB1 = player;\n\t\tif (play.equalsIgnoreCase(\"B2\"))\n\t\t\tB2 = player;\n\t\tif (play.equalsIgnoreCase(\"B3\"))\n\t\t\tB3 = player;\n\t\tif (play.equalsIgnoreCase(\"C1\"))\n\t\t\tC1 = player;\n\t\tif (play.equalsIgnoreCase(\"C2\"))\n\t\t\tC2 = player;\n\t\tif (play.equalsIgnoreCase(\"C3\"))\n\t\t\tC3 = player;\n\t}\n       \n ```\n\nIn this step because of we haven't made an applet,we have to draw a tic-tac-toe game for the visuality.With using system.print.out as you know we asked user to make first move above after user choose where to move for example \"a1\" this lines will draw a X to a1.\n\nThen we must define to the program who is playing.To do that we create another class and as you know we defined \"square\".This is to find out whos turn is it.If it is users turn program will draw X if not it will draw \"O\".\n\n```\n      public static void displayBoard()\n\t{\n\t\tString line = \"\";\n\t\tSystem.out.println();\n\t\tline = \" \" + getXO(A1) + \" | \" + getXO(A2) + \" | \" + getXO(A3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(B1) + \" | \" + getXO(B2) + \" | \" + getXO(B3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(C1) + \" | \" + getXO(C2) + \" | \" + getXO(C3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println();\n\t}\n\n\tpublic static String getXO(int square)\n\t{\n\t\tif (square == 1)\n\t\t\treturn \"X\";\n\t\tif (square == 2)\n\t\t\treturn \"O\";\n\t\treturn \" \";\n\t} \n ```\n\n![3.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068433/mp8hhx3pirl7qqssng0w.png)\n\nIn the final step we do same thing we did for the user.We define computers move to the program with creating a class and using if loop to evaluate the possibilities and define each line and column and equal to zero.\n\nThen we create another class to define the possibilites of winning.You can win with making 3 line cross,vertical or horizontal so we define all the possibilities and if user or computer made it through the 3 lines correctly we use \"return true\" which will show the message whoever won.It can be a draw so if any of cases didn't happen it will return false \"draw\" message.\n\n```\npublic static String getComputerMove()\n\t{\n\t\tif (A1 == 0)\n\t\t\treturn \"A1\";\n\t\tif (A2 == 0)\n\t\t\treturn \"A2\";\n\t\tif (A3 == 0)\n\t\t\treturn  \"A3\";\n\t\tif (B1 == 0)\n\t\t\treturn  \"B1\";\n\t\tif (B2 == 0)\n\t\t\treturn  \"B2\";\n\t\tif (B3 == 0)\n\t\t\treturn  \"B3\";\n\t\tif (C1 == 0)\n\t\t\treturn  \"C1\";\n\t\tif (C2 == 0)\n\t\t\treturn  \"C2\";\n\t\tif (C3 == 0)\n\t\t\treturn  \"C3\";\n\t\treturn \"\";\n\t}\n\n\tpublic static boolean isGameWon()\n\t{\n\t\tif (isRowWon(A1, A2, A3))\n\t\t\treturn true;\n\t\tif (isRowWon(B1, B2, B3))\n\t\t\treturn true;\n\t\tif (isRowWon(C1, C2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B1, C1))\n\t\t\treturn true;\n\t\tif (isRowWon(A2, B2, C2))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B3, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B2, C1))\n\t\t\treturn true;\n\t\treturn false;\n\t}\npublic static boolean isRowWon(int a, int b, int c)\n\t{\n\t\treturn ((a == b) & (a == c) & (a != 0));\n\t}\n}\n ```\n![4.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068784/ay0l6otaa9ktm2pctbpv.png)\n\n#### Whole code with the screenshots and output\n\n```\n    import java.util.Scanner;\n\npublic class TicTacToeGameByDrewie\n{\n\n\tstatic int A1, A2, A3, B1, B2, B3, C1, C2, C3;\n\n\tstatic Scanner sc = new Scanner(System.in);\n\n\tpublic static void main(String[] args)\n\t{\n\t\tString prompt = \"Welcome to Tic-Tac-Toe Game. Please enter your first move: \";\n\t\tString humanMove = \"\";\n\t\tString computerMove = \"\";\n\t\tboolean gameIsWon = false;\n\n\n\t\tfor (int i = 1; i <=9; i++)\n\t\t{\n\n\t\t\thumanMove = getMove(prompt);\n\t\t\tupdateBoard(humanMove, 1);\n\t\t\tdisplayBoard();\n\t\t\tif (isGameWon())\n\t\t\t{\n\t\t\t\tSystem.out.println(\"You beated me!\");\n\t\t\t\tgameIsWon = true;\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tif (i < 9)\n\t\t\t{\n\t\t\t\tcomputerMove = getComputerMove();\n\t\t\t\tSystem.out.println(\"I will play at \" + computerMove);\n\t\t\t\tupdateBoard(computerMove, 2);\n\t\t\t\tdisplayBoard();\n\t\t\t\tif (isGameWon())\n\t\t\t\t{\n\t\t\t\t\tSystem.out.println(\"I beated you!\");\n\t\t\t\t\tgameIsWon = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tprompt = \"Please enter your next move: \";\n\t\t\t\ti++;\n\t\t\t}\n\t\t}\n\t\tif (!gameIsWon)\n\t\t\tSystem.out.println(\"It's a draw!\");\n\t}\n\n\tpublic static String getMove(String prompt)\n\t{\n\t\tString play;\n\t\tSystem.out.print(prompt);\n\t\tdo\n\t\t{\n\t\t\tplay = sc.nextLine();\n\t\t\tif (!isValidPlay(play))\n\t\t\t{\n\t\t\t\tSystem.out.println(\"That is not a valid play.\");\n\t\t\t}\n\t\t} while (!isValidPlay(play));\n\t\treturn play;\n\t}\n\n\tpublic static boolean isValidPlay(String play)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\") & A1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A2\") & A2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A3\") & A3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B1\") & B1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B2\") & B2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B3\") & B3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C1\") & C1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C2\") & C2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C3\") & C3 == 0)\n\t\t\treturn true;\n\t\treturn false;\n\t}\n\n\tpublic static void updateBoard(String play, int player)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\"))\n\t\t\tA1 = player;\n\t\tif (play.equalsIgnoreCase(\"A2\"))\n\t\t\tA2 = player;\n\t\tif (play.equalsIgnoreCase(\"A3\"))\n\t\t\tA3 = player;\n\t\tif (play.equalsIgnoreCase(\"B1\"))\n\t\t\tB1 = player;\n\t\tif (play.equalsIgnoreCase(\"B2\"))\n\t\t\tB2 = player;\n\t\tif (play.equalsIgnoreCase(\"B3\"))\n\t\t\tB3 = player;\n\t\tif (play.equalsIgnoreCase(\"C1\"))\n\t\t\tC1 = player;\n\t\tif (play.equalsIgnoreCase(\"C2\"))\n\t\t\tC2 = player;\n\t\tif (play.equalsIgnoreCase(\"C3\"))\n\t\t\tC3 = player;\n\t}\n\n\tpublic static void displayBoard()\n\t{\n\t\tString line = \"\";\n\t\tSystem.out.println();\n\t\tline = \" \" + getXO(A1) + \" | \" + getXO(A2) + \" | \" + getXO(A3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(B1) + \" | \" + getXO(B2) + \" | \" + getXO(B3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(C1) + \" | \" + getXO(C2) + \" | \" + getXO(C3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println();\n\t}\n\n\tpublic static String getXO(int square)\n\t{\n\t\tif (square == 1)\n\t\t\treturn \"X\";\n\t\tif (square == 2)\n\t\t\treturn \"O\";\n\t\treturn \" \";\n\t}\n\n\tpublic static String getComputerMove()\n\t{\n\t\tif (A1 == 0)\n\t\t\treturn \"A1\";\n\t\tif (A2 == 0)\n\t\t\treturn \"A2\";\n\t\tif (A3 == 0)\n\t\t\treturn  \"A3\";\n\t\tif (B1 == 0)\n\t\t\treturn  \"B1\";\n\t\tif (B2 == 0)\n\t\t\treturn  \"B2\";\n\t\tif (B3 == 0)\n\t\t\treturn  \"B3\";\n\t\tif (C1 == 0)\n\t\t\treturn  \"C1\";\n\t\tif (C2 == 0)\n\t\t\treturn  \"C2\";\n\t\tif (C3 == 0)\n\t\t\treturn  \"C3\";\n\t\treturn \"\";\n\t}\n\n\tpublic static boolean isGameWon()\n\t{\n\t\tif (isRowWon(A1, A2, A3))\n\t\t\treturn true;\n\t\tif (isRowWon(B1, B2, B3))\n\t\t\treturn true;\n\t\tif (isRowWon(C1, C2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B1, C1))\n\t\t\treturn true;\n\t\tif (isRowWon(A2, B2, C2))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B3, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B2, C1))\n\t\t\treturn true;\n\t\treturn false;\n\t}\n\n\tpublic static boolean isRowWon(int a, int b, int c)\n\t{\n\t\treturn ((a == b) & (a == c) & (a != 0));\n\t}\n}\n\n   \n ```\n\n![5.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069063/njskjts7behabjn7winf.png)\n\n![6.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069177/p9dngye2o2vcrrsnvpby.png)\n\n![7.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069187/vj5qvigzy9h0qwpgejkp.png)\n\n![8.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069194/exh7tpe6zlfzzbatavez.png)\n\n![9.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069201/klf4yrsfhheiyvbbfsdu.png)\n\n#### Outputs\n\n![10.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069276/bpab5og1qesejuzul3zi.png)\n\n![11.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069333/ie14yhxyxav0gbz9mxuj.png)\n\n\n#### Curriculum\n\n- [First Tutorial](https://utopian.io/utopian-io/@drewie/making-form-applet-and-adding-checkboxs-on-java)\n- [Second Tutorial](https://utopian.io/utopian-io/@drewie/making-a-steembackeddollar-currency-converter-on-java)\n\n    \n\n<br /><hr/><em>Posted on <a href=\"https://utopian.io/utopian-io/@drewie/tic-tac-toe-game-user-vs-computer-on-java\">Utopian.io -  Rewarding Open Source Contributors</a></em><hr/>",
      "json_metadata": "{\"community\":\"utopian\",\"app\":\"utopian/1.0.0\",\"format\":\"markdown\",\"repository\":{\"id\":5360933,\"name\":\"openjdk\",\"full_name\":\"dmlloyd/openjdk\",\"html_url\":\"https://github.com/dmlloyd/openjdk\",\"fork\":false,\"owner\":{\"login\":\"dmlloyd\"}},\"pullRequests\":[],\"platform\":\"github\",\"type\":\"tutorials\",\"tags\":[\"utopian-io\",\"utopian-io\",\"tutorial\",\"java\",\"eclipse\"],\"users\":[\"drewie\"],\"links\":[\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067430/hnl07w1kyhkh0sdzccwh.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067731/mup6poxzabmcaxzm3yqu.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068433/mp8hhx3pirl7qqssng0w.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068784/ay0l6otaa9ktm2pctbpv.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069063/njskjts7behabjn7winf.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069177/p9dngye2o2vcrrsnvpby.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069187/vj5qvigzy9h0qwpgejkp.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069194/exh7tpe6zlfzzbatavez.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069201/klf4yrsfhheiyvbbfsdu.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069276/bpab5og1qesejuzul3zi.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069333/ie14yhxyxav0gbz9mxuj.png\",\"https://utopian.io/utopian-io/@drewie/making-form-applet-and-adding-checkboxs-on-java\",\"https://utopian.io/utopian-io/@drewie/making-a-steembackeddollar-currency-converter-on-java\"],\"image\":[\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067430/hnl07w1kyhkh0sdzccwh.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067731/mup6poxzabmcaxzm3yqu.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068433/mp8hhx3pirl7qqssng0w.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068784/ay0l6otaa9ktm2pctbpv.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069063/njskjts7behabjn7winf.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069177/p9dngye2o2vcrrsnvpby.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069187/vj5qvigzy9h0qwpgejkp.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069194/exh7tpe6zlfzzbatavez.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069201/klf4yrsfhheiyvbbfsdu.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069276/bpab5og1qesejuzul3zi.png\",\"https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069333/ie14yhxyxav0gbz9mxuj.png\"],\"moderator\":{\"account\":\"amosbastian\",\"time\":\"2018-02-19T21:21:58.768Z\",\"flagged\":true,\"reviewed\":false,\"pending\":false},\"questions\":[],\"score\":0}"
    }
  ]
}

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  "trx_id": "72934ca749ee1575c190672feddb15cbae76fe2d",
  "block": 20016882,
  "trx_in_block": 8,
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  "timestamp": "2018-02-19T21:21:57",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "utopian-io",
      "author": "drewie",
      "permlink": "tic-tac-toe-game-user-vs-computer-on-java",
      "title": "Tic-Tac-Toe Game [ User Vs Computer ] On Java",
      "body": "\n#### What Will I Learn?\n\n- You will learn how to use variables,loops and arrays\n- You will learn how to make a tic tac toe game\n\n#### Requirements\n\n- Knowledge of coding on Java and Eclipse\n- Eclipse and Java must be setted up on the computer.\n\n#### Difficulty\n\n- Intermediate\n\n\n#### Tutorial Contents\n\nHello,in this tutorial we are going to make a player vs computer tic-tac-toe game by using java on eclipse.First i defined my needed one line library then named my program.After i defined integer type variables in a,b,c which is my rows and a1,c3 etc. is my columns,then i defined a new static named \"Scanner\" to scan where user and computer is choosed to make their move.\n\n```\nimport java.util.Scanner;\n\n\npublic class TicTacToeGameByDrewie\n{\n\nstatic int A1, A2, A3, B1, B2, B3, C1, C2, C3;\n\nstatic Scanner sc = new Scanner(System.in);\n\npublic static void main(String[] args)\n{\n ```\nIn the next step i defined my strings to welcome the user,and show user moves.In the below i used Boolean,this function is used to define True/false situation.GameisWon variable is false at that line because game has **not** started yet.\n\n```\npublic static void main(String[] args)\n{\nString prompt = \"Welcome to Tic-Tac-Toe Game. Please enter your first move: \";\nString humanMove = \"\";\nString computerMove = \"\";\nboolean gameIsWon = false; \n ```\n\nNow we are going to use for and if loop together.We made i<=9 because in this game there can be maximum 9 moves.First we define human move.\"Prompt\" is used to get input from the user so we are asking user to make the first movement.\n\nUpdateboard is used after user made his/her move,we put in on the screen and then we display is with using \"displayboard\".We do same thing for the computer in the below and if the user won we use our \"gameiswon\" class to find out.We define it on user and computers code lines and use if loop to check who won with using \"true\".In the last line we check if it is draw and if noone won we print out to say \"it is a draw\".\n\n```\nfor (int i = 1; i <=9; i++)\n{\nhumanMove = getMove(prompt);\nupdateBoard(humanMove, 1);\ndisplayBoard();\nif (isGameWon())\n{\nSystem.out.println(\"You beated me!\");\ngameIsWon = true;\nbreak;\n}\n\nif (i < 9)\n{\ncomputerMove = getComputerMove();\nSystem.out.println(\"I will play at \" + computerMove);\nupdateBoard(computerMove, 2);\ndisplayBoard();\nif (isGameWon())\n{\nSystem.out.println(\"I beated you!\");\ngameIsWon = true;\nbreak;\n}\nprompt = \"Please enter your next move: \";\ni++;\n}\n}\nif (!gameIsWon)\nSystem.out.println(\"It's a draw!\");\n}\n ```\n![1.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067430/hnl07w1kyhkh0sdzccwh.png)\n\nNow game is beggining.First of all we create a class to get users move if user make a wrong input for example \"a4\" this is a wrong input,we will warn user.Then we create another class,if the input is valid we define all the rows and columns with using \"equalsignorecase\" this method is basically compares the strings that you have defined.We equal them all to zero so if the user or computer make a movement it will change.\n\n```\npublic static String getMove(String prompt)\n\t{\n\t\tString play;\n\t\tSystem.out.print(prompt);\n\t\tdo\n\t\t{\n\t\t\tplay = sc.nextLine();\n\t\t\tif (!isValidPlay(play))\n\t\t\t{\n\t\t\t\tSystem.out.println(\"That is not a valid play.\");\n\t\t\t}\n\t\t} while (!isValidPlay(play));\n\t\treturn play;\n\t}\n\n\tpublic static boolean isValidPlay(String play)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\") & A1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A2\") & A2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A3\") & A3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B1\") & B1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B2\") & B2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B3\") & B3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C1\") & C1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C2\") & C2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C3\") & C3 == 0)\n\t\t\treturn true;\n\t\treturn false;\n\t}\n       \n ```\n\n![2.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067731/mup6poxzabmcaxzm3yqu.png)\n\nNow until here user and computer has made their move now we have to show it to user and update it.To do this we use \"equalsignorecase\" again.Basically we define users movement to the program with evaluating all the possibilities.\n\n```\npublic static void updateBoard(String play, int player)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\"))\n\t\t\tA1 = player;\n\t\tif (play.equalsIgnoreCase(\"A2\"))\n\t\t\tA2 = player;\n\t\tif (play.equalsIgnoreCase(\"A3\"))\n\t\t\tA3 = player;\n\t\tif (play.equalsIgnoreCase(\"B1\"))\n\t\t\tB1 = player;\n\t\tif (play.equalsIgnoreCase(\"B2\"))\n\t\t\tB2 = player;\n\t\tif (play.equalsIgnoreCase(\"B3\"))\n\t\t\tB3 = player;\n\t\tif (play.equalsIgnoreCase(\"C1\"))\n\t\t\tC1 = player;\n\t\tif (play.equalsIgnoreCase(\"C2\"))\n\t\t\tC2 = player;\n\t\tif (play.equalsIgnoreCase(\"C3\"))\n\t\t\tC3 = player;\n\t}\n       \n ```\n\nIn this step because of we haven't made an applet,we have to draw a tic-tac-toe game for the visuality.With using system.print.out as you know we asked user to make first move above after user choose where to move for example \"a1\" this lines will draw a X to a1.\n\nThen we must define to the program who is playing.To do that we create another class and as you know we defined \"square\".This is to find out whos turn is it.If it is users turn program will draw X if not it will draw \"O\".\n\n```\n      public static void displayBoard()\n\t{\n\t\tString line = \"\";\n\t\tSystem.out.println();\n\t\tline = \" \" + getXO(A1) + \" | \" + getXO(A2) + \" | \" + getXO(A3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(B1) + \" | \" + getXO(B2) + \" | \" + getXO(B3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(C1) + \" | \" + getXO(C2) + \" | \" + getXO(C3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println();\n\t}\n\n\tpublic static String getXO(int square)\n\t{\n\t\tif (square == 1)\n\t\t\treturn \"X\";\n\t\tif (square == 2)\n\t\t\treturn \"O\";\n\t\treturn \" \";\n\t} \n ```\n\n![3.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068433/mp8hhx3pirl7qqssng0w.png)\n\nIn the final step we do same thing we did for the user.We define computers move to the program with creating a class and using if loop to evaluate the possibilities and define each line and column and equal to zero.\n\nThen we create another class to define the possibilites of winning.You can win with making 3 line cross,vertical or horizontal so we define all the possibilities and if user or computer made it through the 3 lines correctly we use \"return true\" which will show the message whoever won.It can be a draw so if any of cases didn't happen it will return false \"draw\" message.\n\n```\npublic static String getComputerMove()\n\t{\n\t\tif (A1 == 0)\n\t\t\treturn \"A1\";\n\t\tif (A2 == 0)\n\t\t\treturn \"A2\";\n\t\tif (A3 == 0)\n\t\t\treturn  \"A3\";\n\t\tif (B1 == 0)\n\t\t\treturn  \"B1\";\n\t\tif (B2 == 0)\n\t\t\treturn  \"B2\";\n\t\tif (B3 == 0)\n\t\t\treturn  \"B3\";\n\t\tif (C1 == 0)\n\t\t\treturn  \"C1\";\n\t\tif (C2 == 0)\n\t\t\treturn  \"C2\";\n\t\tif (C3 == 0)\n\t\t\treturn  \"C3\";\n\t\treturn \"\";\n\t}\n\n\tpublic static boolean isGameWon()\n\t{\n\t\tif (isRowWon(A1, A2, A3))\n\t\t\treturn true;\n\t\tif (isRowWon(B1, B2, B3))\n\t\t\treturn true;\n\t\tif (isRowWon(C1, C2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B1, C1))\n\t\t\treturn true;\n\t\tif (isRowWon(A2, B2, C2))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B3, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B2, C1))\n\t\t\treturn true;\n\t\treturn false;\n\t}\npublic static boolean isRowWon(int a, int b, int c)\n\t{\n\t\treturn ((a == b) & (a == c) & (a != 0));\n\t}\n}\n ```\n![4.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068784/ay0l6otaa9ktm2pctbpv.png)\n\n#### Whole code with the screenshots and output\n\n```\n    import java.util.Scanner;\n\npublic class TicTacToeGameByDrewie\n{\n\n\tstatic int A1, A2, A3, B1, B2, B3, C1, C2, C3;\n\n\tstatic Scanner sc = new Scanner(System.in);\n\n\tpublic static void main(String[] args)\n\t{\n\t\tString prompt = \"Welcome to Tic-Tac-Toe Game. Please enter your first move: \";\n\t\tString humanMove = \"\";\n\t\tString computerMove = \"\";\n\t\tboolean gameIsWon = false;\n\n\n\t\tfor (int i = 1; i <=9; i++)\n\t\t{\n\n\t\t\thumanMove = getMove(prompt);\n\t\t\tupdateBoard(humanMove, 1);\n\t\t\tdisplayBoard();\n\t\t\tif (isGameWon())\n\t\t\t{\n\t\t\t\tSystem.out.println(\"You beated me!\");\n\t\t\t\tgameIsWon = true;\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tif (i < 9)\n\t\t\t{\n\t\t\t\tcomputerMove = getComputerMove();\n\t\t\t\tSystem.out.println(\"I will play at \" + computerMove);\n\t\t\t\tupdateBoard(computerMove, 2);\n\t\t\t\tdisplayBoard();\n\t\t\t\tif (isGameWon())\n\t\t\t\t{\n\t\t\t\t\tSystem.out.println(\"I beated you!\");\n\t\t\t\t\tgameIsWon = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tprompt = \"Please enter your next move: \";\n\t\t\t\ti++;\n\t\t\t}\n\t\t}\n\t\tif (!gameIsWon)\n\t\t\tSystem.out.println(\"It's a draw!\");\n\t}\n\n\tpublic static String getMove(String prompt)\n\t{\n\t\tString play;\n\t\tSystem.out.print(prompt);\n\t\tdo\n\t\t{\n\t\t\tplay = sc.nextLine();\n\t\t\tif (!isValidPlay(play))\n\t\t\t{\n\t\t\t\tSystem.out.println(\"That is not a valid play.\");\n\t\t\t}\n\t\t} while (!isValidPlay(play));\n\t\treturn play;\n\t}\n\n\tpublic static boolean isValidPlay(String play)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\") & A1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A2\") & A2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A3\") & A3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B1\") & B1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B2\") & B2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B3\") & B3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C1\") & C1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C2\") & C2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C3\") & C3 == 0)\n\t\t\treturn true;\n\t\treturn false;\n\t}\n\n\tpublic static void updateBoard(String play, int player)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\"))\n\t\t\tA1 = player;\n\t\tif (play.equalsIgnoreCase(\"A2\"))\n\t\t\tA2 = player;\n\t\tif (play.equalsIgnoreCase(\"A3\"))\n\t\t\tA3 = player;\n\t\tif (play.equalsIgnoreCase(\"B1\"))\n\t\t\tB1 = player;\n\t\tif (play.equalsIgnoreCase(\"B2\"))\n\t\t\tB2 = player;\n\t\tif (play.equalsIgnoreCase(\"B3\"))\n\t\t\tB3 = player;\n\t\tif (play.equalsIgnoreCase(\"C1\"))\n\t\t\tC1 = player;\n\t\tif (play.equalsIgnoreCase(\"C2\"))\n\t\t\tC2 = player;\n\t\tif (play.equalsIgnoreCase(\"C3\"))\n\t\t\tC3 = player;\n\t}\n\n\tpublic static void displayBoard()\n\t{\n\t\tString line = \"\";\n\t\tSystem.out.println();\n\t\tline = \" \" + getXO(A1) + \" | \" + getXO(A2) + \" | \" + getXO(A3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(B1) + \" | \" + getXO(B2) + \" | \" + getXO(B3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(C1) + \" | \" + getXO(C2) + \" | \" + getXO(C3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println();\n\t}\n\n\tpublic static String getXO(int square)\n\t{\n\t\tif (square == 1)\n\t\t\treturn \"X\";\n\t\tif (square == 2)\n\t\t\treturn \"O\";\n\t\treturn \" \";\n\t}\n\n\tpublic static String getComputerMove()\n\t{\n\t\tif (A1 == 0)\n\t\t\treturn \"A1\";\n\t\tif (A2 == 0)\n\t\t\treturn \"A2\";\n\t\tif (A3 == 0)\n\t\t\treturn  \"A3\";\n\t\tif (B1 == 0)\n\t\t\treturn  \"B1\";\n\t\tif (B2 == 0)\n\t\t\treturn  \"B2\";\n\t\tif (B3 == 0)\n\t\t\treturn  \"B3\";\n\t\tif (C1 == 0)\n\t\t\treturn  \"C1\";\n\t\tif (C2 == 0)\n\t\t\treturn  \"C2\";\n\t\tif (C3 == 0)\n\t\t\treturn  \"C3\";\n\t\treturn \"\";\n\t}\n\n\tpublic static boolean isGameWon()\n\t{\n\t\tif (isRowWon(A1, A2, A3))\n\t\t\treturn true;\n\t\tif (isRowWon(B1, B2, B3))\n\t\t\treturn true;\n\t\tif (isRowWon(C1, C2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B1, C1))\n\t\t\treturn true;\n\t\tif (isRowWon(A2, B2, C2))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B3, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B2, C1))\n\t\t\treturn true;\n\t\treturn false;\n\t}\n\n\tpublic static boolean isRowWon(int a, int b, int c)\n\t{\n\t\treturn ((a == b) & (a == c) & (a != 0));\n\t}\n}\n\n   \n ```\n\n![5.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069063/njskjts7behabjn7winf.png)\n\n![6.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069177/p9dngye2o2vcrrsnvpby.png)\n\n![7.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069187/vj5qvigzy9h0qwpgejkp.png)\n\n![8.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069194/exh7tpe6zlfzzbatavez.png)\n\n![9.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069201/klf4yrsfhheiyvbbfsdu.png)\n\n#### Outputs\n\n![10.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069276/bpab5og1qesejuzul3zi.png)\n\n![11.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069333/ie14yhxyxav0gbz9mxuj.png)\n\n\n#### Curriculum\n\n- [First Tutorial](https://utopian.io/utopian-io/@drewie/making-form-applet-and-adding-checkboxs-on-java)\n- [Second Tutorial](https://utopian.io/utopian-io/@drewie/making-a-steembackeddollar-currency-converter-on-java)\n\n    \n\n<br /><hr/><em>Posted on <a href=\"https://utopian.io/utopian-io/@drewie/tic-tac-toe-game-user-vs-computer-on-java\">Utopian.io -  Rewarding Open Source Contributors</a></em><hr/>",
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      "author": "drewie",
      "permlink": "tic-tac-toe-game-user-vs-computer-on-java",
      "title": "Tic-Tac-Toe Game [ User Vs Computer ] On Java",
      "body": "\n#### What Will I Learn?\n\n- You will learn how to use variables,loops and arrays\n- You will learn how to make a tic tac toe game\n\n#### Requirements\n\n- Knowledge of coding on Java and Eclipse\n- Eclipse and Java must be setted up on the computer.\n\n#### Difficulty\n\n- Intermediate\n\n\n#### Tutorial Contents\n\nHello,in this tutorial we are going to make a player vs computer tic-tac-toe game by using java on eclipse.First i defined my needed one line library then named my program.After i defined integer type variables in a,b,c which is my rows and a1,c3 etc. is my columns,then i defined a new static named \"Scanner\" to scan where user and computer is choosed to make their move.\n\n```\nimport java.util.Scanner;\n\n\npublic class TicTacToeGameByDrewie\n{\n\nstatic int A1, A2, A3, B1, B2, B3, C1, C2, C3;\n\nstatic Scanner sc = new Scanner(System.in);\n\npublic static void main(String[] args)\n{\n ```\nIn the next step i defined my strings to welcome the user,and show user moves.In the below i used Boolean,this function is used to define True/false situation.GameisWon variable is false at that line because game has **not** started yet.\n\n```\npublic static void main(String[] args)\n{\nString prompt = \"Welcome to Tic-Tac-Toe Game. Please enter your first move: \";\nString humanMove = \"\";\nString computerMove = \"\";\nboolean gameIsWon = false; \n ```\n\nNow we are going to use for and if loop together.We made i<=9 because in this game there can be maximum 9 moves.First we define human move.\"Prompt\" is used to get input from the user so we are asking user to make the first movement.\n\nUpdateboard is used after user made his/her move,we put in on the screen and then we display is with using \"displayboard\".We do same thing for the computer in the below and if the user won we use our \"gameiswon\" class to find out.We define it on user and computers code lines and use if loop to check who won with using \"true\".In the last line we check if it is draw and if noone won we print out to say \"it is a draw\".\n\n```\nfor (int i = 1; i <=9; i++)\n{\nhumanMove = getMove(prompt);\nupdateBoard(humanMove, 1);\ndisplayBoard();\nif (isGameWon())\n{\nSystem.out.println(\"You beated me!\");\ngameIsWon = true;\nbreak;\n}\n\nif (i < 9)\n{\ncomputerMove = getComputerMove();\nSystem.out.println(\"I will play at \" + computerMove);\nupdateBoard(computerMove, 2);\ndisplayBoard();\nif (isGameWon())\n{\nSystem.out.println(\"I beated you!\");\ngameIsWon = true;\nbreak;\n}\nprompt = \"Please enter your next move: \";\ni++;\n}\n}\nif (!gameIsWon)\nSystem.out.println(\"It's a draw!\");\n}\n ```\n![1.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067430/hnl07w1kyhkh0sdzccwh.png)\n\nNow game is beggining.First of all we create a class to get users move if user make a wrong input for example \"a4\" this is a wrong input,we will warn user.Then we create another class,if the input is valid we define all the rows and columns with using \"equalsignorecase\" this method is basically compares the strings that you have defined.We equal them all to zero so if the user or computer make a movement it will change.\n\n```\npublic static String getMove(String prompt)\n\t{\n\t\tString play;\n\t\tSystem.out.print(prompt);\n\t\tdo\n\t\t{\n\t\t\tplay = sc.nextLine();\n\t\t\tif (!isValidPlay(play))\n\t\t\t{\n\t\t\t\tSystem.out.println(\"That is not a valid play.\");\n\t\t\t}\n\t\t} while (!isValidPlay(play));\n\t\treturn play;\n\t}\n\n\tpublic static boolean isValidPlay(String play)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\") & A1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A2\") & A2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A3\") & A3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B1\") & B1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B2\") & B2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B3\") & B3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C1\") & C1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C2\") & C2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C3\") & C3 == 0)\n\t\t\treturn true;\n\t\treturn false;\n\t}\n       \n ```\n\n![2.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519067731/mup6poxzabmcaxzm3yqu.png)\n\nNow until here user and computer has made their move now we have to show it to user and update it.To do this we use \"equalsignorecase\" again.Basically we define users movement to the program with evaluating all the possibilities.\n\n```\npublic static void updateBoard(String play, int player)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\"))\n\t\t\tA1 = player;\n\t\tif (play.equalsIgnoreCase(\"A2\"))\n\t\t\tA2 = player;\n\t\tif (play.equalsIgnoreCase(\"A3\"))\n\t\t\tA3 = player;\n\t\tif (play.equalsIgnoreCase(\"B1\"))\n\t\t\tB1 = player;\n\t\tif (play.equalsIgnoreCase(\"B2\"))\n\t\t\tB2 = player;\n\t\tif (play.equalsIgnoreCase(\"B3\"))\n\t\t\tB3 = player;\n\t\tif (play.equalsIgnoreCase(\"C1\"))\n\t\t\tC1 = player;\n\t\tif (play.equalsIgnoreCase(\"C2\"))\n\t\t\tC2 = player;\n\t\tif (play.equalsIgnoreCase(\"C3\"))\n\t\t\tC3 = player;\n\t}\n       \n ```\n\nIn this step because of we haven't made an applet,we have to draw a tic-tac-toe game for the visuality.With using system.print.out as you know we asked user to make first move above after user choose where to move for example \"a1\" this lines will draw a X to a1.\n\nThen we must define to the program who is playing.To do that we create another class and as you know we defined \"square\".This is to find out whos turn is it.If it is users turn program will draw X if not it will draw \"O\".\n\n```\n      public static void displayBoard()\n\t{\n\t\tString line = \"\";\n\t\tSystem.out.println();\n\t\tline = \" \" + getXO(A1) + \" | \" + getXO(A2) + \" | \" + getXO(A3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(B1) + \" | \" + getXO(B2) + \" | \" + getXO(B3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(C1) + \" | \" + getXO(C2) + \" | \" + getXO(C3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println();\n\t}\n\n\tpublic static String getXO(int square)\n\t{\n\t\tif (square == 1)\n\t\t\treturn \"X\";\n\t\tif (square == 2)\n\t\t\treturn \"O\";\n\t\treturn \" \";\n\t} \n ```\n\n![3.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068433/mp8hhx3pirl7qqssng0w.png)\n\nIn the final step we do same thing we did for the user.We define computers move to the program with creating a class and using if loop to evaluate the possibilities and define each line and column and equal to zero.\n\nThen we create another class to define the possibilites of winning.You can win with making 3 line cross,vertical or horizontal so we define all the possibilities and if user or computer made it through the 3 lines correctly we use \"return true\" which will show the message whoever won.It can be a draw so if any of cases didn't happen it will return false \"draw\" message.\n\n```\npublic static String getComputerMove()\n\t{\n\t\tif (A1 == 0)\n\t\t\treturn \"A1\";\n\t\tif (A2 == 0)\n\t\t\treturn \"A2\";\n\t\tif (A3 == 0)\n\t\t\treturn  \"A3\";\n\t\tif (B1 == 0)\n\t\t\treturn  \"B1\";\n\t\tif (B2 == 0)\n\t\t\treturn  \"B2\";\n\t\tif (B3 == 0)\n\t\t\treturn  \"B3\";\n\t\tif (C1 == 0)\n\t\t\treturn  \"C1\";\n\t\tif (C2 == 0)\n\t\t\treturn  \"C2\";\n\t\tif (C3 == 0)\n\t\t\treturn  \"C3\";\n\t\treturn \"\";\n\t}\n\n\tpublic static boolean isGameWon()\n\t{\n\t\tif (isRowWon(A1, A2, A3))\n\t\t\treturn true;\n\t\tif (isRowWon(B1, B2, B3))\n\t\t\treturn true;\n\t\tif (isRowWon(C1, C2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B1, C1))\n\t\t\treturn true;\n\t\tif (isRowWon(A2, B2, C2))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B3, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B2, C1))\n\t\t\treturn true;\n\t\treturn false;\n\t}\npublic static boolean isRowWon(int a, int b, int c)\n\t{\n\t\treturn ((a == b) & (a == c) & (a != 0));\n\t}\n}\n ```\n![4.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519068784/ay0l6otaa9ktm2pctbpv.png)\n\n#### Whole code with the screenshots and output\n\n```\n    import java.util.Scanner;\n\npublic class TicTacToeGameByDrewie\n{\n\n\tstatic int A1, A2, A3, B1, B2, B3, C1, C2, C3;\n\n\tstatic Scanner sc = new Scanner(System.in);\n\n\tpublic static void main(String[] args)\n\t{\n\t\tString prompt = \"Welcome to Tic-Tac-Toe Game. Please enter your first move: \";\n\t\tString humanMove = \"\";\n\t\tString computerMove = \"\";\n\t\tboolean gameIsWon = false;\n\n\n\t\tfor (int i = 1; i <=9; i++)\n\t\t{\n\n\t\t\thumanMove = getMove(prompt);\n\t\t\tupdateBoard(humanMove, 1);\n\t\t\tdisplayBoard();\n\t\t\tif (isGameWon())\n\t\t\t{\n\t\t\t\tSystem.out.println(\"You beated me!\");\n\t\t\t\tgameIsWon = true;\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tif (i < 9)\n\t\t\t{\n\t\t\t\tcomputerMove = getComputerMove();\n\t\t\t\tSystem.out.println(\"I will play at \" + computerMove);\n\t\t\t\tupdateBoard(computerMove, 2);\n\t\t\t\tdisplayBoard();\n\t\t\t\tif (isGameWon())\n\t\t\t\t{\n\t\t\t\t\tSystem.out.println(\"I beated you!\");\n\t\t\t\t\tgameIsWon = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tprompt = \"Please enter your next move: \";\n\t\t\t\ti++;\n\t\t\t}\n\t\t}\n\t\tif (!gameIsWon)\n\t\t\tSystem.out.println(\"It's a draw!\");\n\t}\n\n\tpublic static String getMove(String prompt)\n\t{\n\t\tString play;\n\t\tSystem.out.print(prompt);\n\t\tdo\n\t\t{\n\t\t\tplay = sc.nextLine();\n\t\t\tif (!isValidPlay(play))\n\t\t\t{\n\t\t\t\tSystem.out.println(\"That is not a valid play.\");\n\t\t\t}\n\t\t} while (!isValidPlay(play));\n\t\treturn play;\n\t}\n\n\tpublic static boolean isValidPlay(String play)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\") & A1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A2\") & A2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"A3\") & A3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B1\") & B1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B2\") & B2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"B3\") & B3 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C1\") & C1 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C2\") & C2 == 0)\n\t\t\treturn true;\n\t\tif (play.equalsIgnoreCase(\"C3\") & C3 == 0)\n\t\t\treturn true;\n\t\treturn false;\n\t}\n\n\tpublic static void updateBoard(String play, int player)\n\t{\n\t\tif (play.equalsIgnoreCase(\"A1\"))\n\t\t\tA1 = player;\n\t\tif (play.equalsIgnoreCase(\"A2\"))\n\t\t\tA2 = player;\n\t\tif (play.equalsIgnoreCase(\"A3\"))\n\t\t\tA3 = player;\n\t\tif (play.equalsIgnoreCase(\"B1\"))\n\t\t\tB1 = player;\n\t\tif (play.equalsIgnoreCase(\"B2\"))\n\t\t\tB2 = player;\n\t\tif (play.equalsIgnoreCase(\"B3\"))\n\t\t\tB3 = player;\n\t\tif (play.equalsIgnoreCase(\"C1\"))\n\t\t\tC1 = player;\n\t\tif (play.equalsIgnoreCase(\"C2\"))\n\t\t\tC2 = player;\n\t\tif (play.equalsIgnoreCase(\"C3\"))\n\t\t\tC3 = player;\n\t}\n\n\tpublic static void displayBoard()\n\t{\n\t\tString line = \"\";\n\t\tSystem.out.println();\n\t\tline = \" \" + getXO(A1) + \" | \" + getXO(A2) + \" | \" + getXO(A3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(B1) + \" | \" + getXO(B2) + \" | \" + getXO(B3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println(\"-----------\");\n\t\tline = \" \" + getXO(C1) + \" | \" + getXO(C2) + \" | \" + getXO(C3);\n\t\tSystem.out.println(line);\n\t\tSystem.out.println();\n\t}\n\n\tpublic static String getXO(int square)\n\t{\n\t\tif (square == 1)\n\t\t\treturn \"X\";\n\t\tif (square == 2)\n\t\t\treturn \"O\";\n\t\treturn \" \";\n\t}\n\n\tpublic static String getComputerMove()\n\t{\n\t\tif (A1 == 0)\n\t\t\treturn \"A1\";\n\t\tif (A2 == 0)\n\t\t\treturn \"A2\";\n\t\tif (A3 == 0)\n\t\t\treturn  \"A3\";\n\t\tif (B1 == 0)\n\t\t\treturn  \"B1\";\n\t\tif (B2 == 0)\n\t\t\treturn  \"B2\";\n\t\tif (B3 == 0)\n\t\t\treturn  \"B3\";\n\t\tif (C1 == 0)\n\t\t\treturn  \"C1\";\n\t\tif (C2 == 0)\n\t\t\treturn  \"C2\";\n\t\tif (C3 == 0)\n\t\t\treturn  \"C3\";\n\t\treturn \"\";\n\t}\n\n\tpublic static boolean isGameWon()\n\t{\n\t\tif (isRowWon(A1, A2, A3))\n\t\t\treturn true;\n\t\tif (isRowWon(B1, B2, B3))\n\t\t\treturn true;\n\t\tif (isRowWon(C1, C2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B1, C1))\n\t\t\treturn true;\n\t\tif (isRowWon(A2, B2, C2))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B3, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A1, B2, C3))\n\t\t\treturn true;\n\t\tif (isRowWon(A3, B2, C1))\n\t\t\treturn true;\n\t\treturn false;\n\t}\n\n\tpublic static boolean isRowWon(int a, int b, int c)\n\t{\n\t\treturn ((a == b) & (a == c) & (a != 0));\n\t}\n}\n\n   \n ```\n\n![5.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069063/njskjts7behabjn7winf.png)\n\n![6.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069177/p9dngye2o2vcrrsnvpby.png)\n\n![7.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069187/vj5qvigzy9h0qwpgejkp.png)\n\n![8.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069194/exh7tpe6zlfzzbatavez.png)\n\n![9.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069201/klf4yrsfhheiyvbbfsdu.png)\n\n#### Outputs\n\n![10.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069276/bpab5og1qesejuzul3zi.png)\n\n![11.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1519069333/ie14yhxyxav0gbz9mxuj.png)\n\n\n#### Curriculum\n\n- [First Tutorial](https://utopian.io/utopian-io/@drewie/making-form-applet-and-adding-checkboxs-on-java)\n- [Second Tutorial](https://utopian.io/utopian-io/@drewie/making-a-steembackeddollar-currency-converter-on-java)\n\n    \n\n<br /><hr/><em>Posted on <a href=\"https://utopian.io/utopian-io/@drewie/tic-tac-toe-game-user-vs-computer-on-java\">Utopian.io -  Rewarding Open Source Contributors</a></em><hr/>",
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      "body": "Your contribution cannot be approved because it is a duplicate. It is very similar to a contribution that was already accepted [here_1](https://utopian.io/utopian-io/@arie.steem/kstars-review-and-basic-tutorial) [here_2](https://utopian.io/utopian-io/@arie.steem/kstars-set-time-and-set-solar-system-time).\n\nYou can contact us on [Discord](https://discord.gg/uTyJkNm).\n**[[utopian-moderator]](https://utopian.io/moderators)**",
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      "body": "### Hey @drewie I am @utopian-io. I have just upvoted you!\n#### Achievements\n- You have less than 500 followers. Just gave you a gift to help you succeed!\n- Seems like you contribute quite often. AMAZING!\n#### Suggestions\n- Contribute more often to get higher and higher rewards. I wish to see you often!\n- Work on your followers to increase the votes/rewards. I follow what humans do and my vote is mainly based on that. Good luck!\n#### Get Noticed!\n- Did you know project owners can manually vote with their own voting power or by voting power delegated to their projects? Ask the project owner to review your contributions!\n#### Community-Driven Witness!\nI am the first and only Steem Community-Driven Witness. <a href=\"https://discord.gg/zTrEMqB\">Participate on Discord</a>. Lets GROW TOGETHER!\n- <a href=\"https://v2.steemconnect.com/sign/account-witness-vote?witness=utopian-io&approve=1\">Vote for my Witness With SteemConnect</a>\n- <a href=\"https://v2.steemconnect.com/sign/account-witness-proxy?proxy=utopian-io&approve=1\">Proxy vote to Utopian Witness with SteemConnect</a>\n- Or vote/proxy on <a href=\"https://steemit.com/~witnesses\">Steemit Witnesses</a>\n\n[![mooncryption-utopian-witness-gif](https://steemitimages.com/DQmYPUuQRptAqNBCQRwQjKWAqWU3zJkL3RXVUtEKVury8up/mooncryption-s-utopian-io-witness-gif.gif)](https://steemit.com/~witnesses)\n\n**Up-vote this comment to grow my power and help Open Source contributions like this one. Want to chat? Join me on Discord https://discord.gg/Pc8HG9x**",
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