config.json

{
  "language": "Java",
  "slug": "java",
  "active": true,
  "status": {
    "concept_exercises": true,
    "test_runner": true,
    "representer": true,
    "analyzer": false
  },
  "blurb": "Java is a very widely used Object Oriented programming language. It's safe, simple to use and portable so that you can \"write once, run anywhere\".",
  "version": 3,
  "online_editor": {
    "indent_style": "space",
    "indent_size": 4,
    "highlightjs_language": "java"
  },
  "test_runner": {
    "average_run_time": 12.0
  },
  "files": {
    "solution": [
      "src/main/java/%{pascal_slug}.java"
    ],
    "test": [
      "src/test/java/%{pascal_slug}Test.java"
    ],
    "example": [
      ".meta/src/reference/java/%{pascal_slug}.java"
    ],
    "invalidator": [
      "build.gradle"
    ]
  },
  "exercises": {
    "concept": [
      {
        "slug": "lasagna",
        "name": "Cook your lasagna",
        "uuid": "01924e92-ecc7-4ba6-83f9-f142c0756b9f",
        "concepts": [
          "basics"
        ],
        "prerequisites": [],
        "status": "active"
      },
      {
        "slug": "annalyns-infiltration",
        "name": "Annalyn's Infiltration",
        "uuid": "aaf69953-eac8-4016-984e-13b0917fcf01",
        "concepts": [
          "booleans"
        ],
        "prerequisites": [
          "basics"
        ],
        "status": "active"
      },
      {
        "slug": "bird-watcher",
        "name": "Bird Watcher",
        "uuid": "60600885-8684-45c3-b8a9-a2f9e3ce2d97",
        "concepts": [
          "arrays",
          "for-loops",
          "foreach-loops"
        ],
        "prerequisites": [
          "conditionals-if"
        ],
        "status": "active"
      },
      {
        "slug": "karls-languages",
        "name": "Karl's Languages",
        "uuid": "1ad2ab97-df3e-4bc9-b0f6-e8dcc9eb10f1",
        "concepts": [
          "lists",
          "generic-types"
        ],
        "prerequisites": [
          "arrays",
          "for-loops",
          "strings"
        ],
        "status": "active"
      },
      {
        "slug": "calculator-conundrum",
        "name": "Calculator Conundrum",
        "uuid": "9e62feec-c2c3-4fd6-94f5-0574cc65447d",
        "concepts": [
          "exception-handling"
        ],
        "prerequisites": [
          "conditionals",
          "switch-case",
          "basics"
        ],
        "status": "wip"
      },
      {
        "slug": "squeaky-clean",
        "name": "Squeaky Clean",
        "uuid": "b18ad603-e50e-4358-bb3e-0942fefb9dba",
        "concepts": [
          "chars"
        ],
        "prerequisites": [
          "strings"
        ],
        "status": "active"
      },
      {
        "slug": "elons-toy-car",
        "name": "Elon's Toy Car",
        "uuid": "2ae791e9-eb7a-4344-841d-0c4797e5106c",
        "concepts": [
          "classes"
        ],
        "prerequisites": [
          "conditionals-if",
          "numbers",
          "strings"
        ],
        "status": "active"
      },
      {
        "slug": "blackjack",
        "name": "Play Your Cards!",
        "uuid": "43b8f2e3-99e9-49cc-a897-d66f0f26670d",
        "concepts": [
          "conditionals-if"
        ],
        "prerequisites": [
          "booleans"
        ],
        "status": "active"
      },
      {
        "slug": "need-for-speed",
        "name": "Need for Speed",
        "uuid": "a85b6394-3ca5-4913-b554-b460dd49c0ea",
        "concepts": [
          "constructors"
        ],
        "prerequisites": [
          "classes"
        ],
        "status": "active"
      },
      {
        "slug": "remote-control-competition",
        "name": "Remote Control Competition",
        "uuid": "0fa73b4c-75e8-4d38-a7cf-8c1329a1f183",
        "concepts": [
          "interfaces"
        ],
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        ],
        "status": "active"
      },
      {
        "slug": "cars-assemble",
        "name": "Cars, Assemble!",
        "uuid": "3f451c6b-04e2-4b08-8bb0-7dcd2ec5b8f4",
        "concepts": [
          "numbers"
        ],
        "prerequisites": [
          "conditionals-if"
        ],
        "status": "active"
      },
      {
        "slug": "log-levels",
        "name": "Log Levels",
        "uuid": "2165c331-6b0c-49b8-9555-bad577ec4fc6",
        "concepts": [
          "strings"
        ],
        "prerequisites": [
          "basics"
        ],
        "status": "active"
      },
      {
        "slug": "salary-calculator",
        "name": "Salary Calculator",
        "uuid": "5521e413-a382-4c33-ae9c-159a4d7632ca",
        "concepts": [
          "ternary-operators"
        ],
        "prerequisites": [
          "conditionals-if",
          "numbers"
        ],
        "status": "active"
      },
      {
        "slug": "football-match-reports",
        "name": "Football Match Reports",
        "uuid": "5eb11198-807c-469f-903e-57b4f931c02c",
        "concepts": [
          "switch-statement"
        ],
        "prerequisites": [
          "classes"
        ],
        "status": "active"
      },
      {
        "slug": "wizards-and-warriors",
        "name": "Wizards and Warriors",
        "uuid": "e7192707-7b48-4095-9816-591111910c0b",
        "concepts": [
          "inheritance"
        ],
        "prerequisites": [
          "classes",
          "strings",
          "booleans"
        ],
        "status": "active"
      }
    ],
    "practice": [
      {
        "slug": "hello-world",
        "name": "Hello World",
        "uuid": "f77dc7e3-35a8-4300-a7c8-2c1765e9644d",
        "practices": [
          "basics"
        ],
        "prerequisites": [],
        "difficulty": 1
      },
      {
        "slug": "two-fer",
        "name": "Two Fer",
        "uuid": "74515d45-565b-4be2-96c4-77e58efa9257",
        "practices": [
          "strings",
          "conditionals-if"
        ],
        "prerequisites": [
          "basics"
        ],
        "difficulty": 1
      },
      {
        "slug": "hamming",
        "name": "Hamming",
        "uuid": "ce899ca6-9cc7-47ba-b76f-1bbcf2630b76",
        "practices": [
          "for-loops"
        ],
        "prerequisites": [
          "strings",
          "chars"
        ],
        "difficulty": 3
      },
      {
        "slug": "gigasecond",
        "name": "Gigasecond",
        "uuid": "bf1641c8-dc0d-4d38-9cfe-b4c132ea3553",
        "practices": [
          "numbers"
        ],
        "prerequisites": [
          "basics"
        ],
        "difficulty": 3
      },
      {
        "slug": "scrabble-score",
        "name": "Scrabble Score",
        "uuid": "afae9f2d-8baf-4bd7-8d7c-d486337f7c97",
        "practices": [
          "arrays",
          "switch-statement",
          "chars"
        ],
        "prerequisites": [
          "strings",
          "for-loops"
        ],
        "difficulty": 3
      },
      {
        "slug": "difference-of-squares",
        "name": "Difference of Squares",
        "uuid": "b0da59c6-1b55-405c-b163-007ebf09f5e8",
        "practices": [
          "numbers"
        ],
        "prerequisites": [
          "basics"
        ],
        "difficulty": 3
      },
      {
        "slug": "secret-handshake",
        "name": "Secret Handshake",
        "uuid": "71c7c174-7e2c-43c2-bdd6-7515fcb12a91",
        "practices": [
          "lists"
        ],
        "prerequisites": [
          "numbers",
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        ],
        "difficulty": 3
      },
      {
        "slug": "matrix",
        "name": "Matrix",
        "uuid": "c1d4e0b4-6a0f-4be9-8222-345966621f53",
        "practices": [
          "constructors",
          "arrays"
        ],
        "prerequisites": [
          "strings",
          "numbers",
          "for-loops"
        ],
        "difficulty": 4
      },
      {
        "slug": "triangle",
        "name": "Triangle",
        "uuid": "ec268d8e-997b-4553-8c67-8bdfa1ecb888",
        "practices": [
          "constructors"          
        ],
        "prerequisites": [
          "numbers",
          "conditionals-if"          
        ],
        "difficulty": 4
      },
      {
        "slug": "rotational-cipher",
        "name": "Rotational Cipher",
        "uuid": "9eb41883-55ef-4681-b5ac-5c2259302772",
        "practices": [
          "chars"
        ],
        "prerequisites": [
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          "conditionals-if",
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        ],
        "difficulty": 4
      },
      {
        "slug": "saddle-points",
        "name": "Saddle Points",
        "uuid": "8dfc2f0d-1141-46e9-95e2-6f35ccf6f160",
        "practices": [
          "lists"
        ],
        "prerequisites": [
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          "for-loops",
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        ],
        "difficulty": 4
      },
      {
        "slug": "flatten-array",
        "name": "Flatten Array",
        "uuid": "a732a838-8170-458a-a85e-d6b4c46f97a1",
        "practices": [
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        ],
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        ],
        "difficulty": 5
      },
      {
        "slug": "word-count",
        "name": "Word Count",
        "uuid": "3603b770-87a5-4758-91f3-b4d1f9075bc1",
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        ],
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        "difficulty": 5
      },
      {
        "slug": "robot-name",
        "name": "Robot Name",
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        ],
        "prerequisites": [
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        ],
        "difficulty": 5
      },
      {
        "slug": "binary-search",
        "name": "Binary Search",
        "uuid": "50136dc3-caf7-4fa1-b7bd-0cba1bea9176",
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        ],
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        ],
        "difficulty": 6
      },
      {
        "slug": "bank-account",
        "name": "Bank Account",
        "uuid": "a242efc5-159d-492b-861d-12a1459fb334",
        "practices": [
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        ],
        "prerequisites": [
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        ],
        "difficulty": 6
      },
      {
        "slug": "linked-list",
        "name": "Linked List",
        "uuid": "7ba5084d-3b75-4406-a0d7-87c26387f9c0",
        "practices": [
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        ],
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        ],
        "difficulty": 6
      },
      {
        "slug": "raindrops",
        "name": "Raindrops",
        "uuid": "d916e4f8-fda1-41c0-ab24-79e8fc3f1272",
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          "numbers",
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        ],
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        ],
        "difficulty": 3
      },
      {
        "slug": "isogram",
        "name": "Isogram",
        "uuid": "c3e89c7c-3a8a-4ddc-b653-9b0ff9e1d7d8",
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        ],
        "difficulty": 4
      },
      {
        "slug": "pig-latin",
        "name": "Pig Latin",
        "uuid": "38bc80ae-d842-4c04-a797-48edf322504d",
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        ],
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        ],
        "difficulty": 5
      },
      {
        "slug": "anagram",
        "name": "Anagram",
        "uuid": "fb10dc2f-0ba1-44b6-8365-5e48e86d1283",
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        ],
        "difficulty": 7
      },
      {
        "slug": "reverse-string",
        "name": "Reverse String",
        "uuid": "2c8afeed-480e-41f3-ad58-590fa8f88029",
        "practices": [
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          "chars"
        ],
        "prerequisites": [
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        ],
        "difficulty": 1
      },
      {
        "slug": "darts",
        "name": "Darts",
        "uuid": "4d400a44-b190-4a0c-affb-99fad8ea18da",
        "practices": [
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          "constructors"
        ],
        "prerequisites": [
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        ],
        "difficulty": 2
      },
      {
        "slug": "dnd-character",
        "name": "D&D Character",
        "uuid": "09bb515c-0270-4d34-8d56-89ee04588494",
        "practices": [
          "arrays",
          "constructors"
        ],
        "prerequisites": [
          "numbers",
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        ],
        "difficulty": 2
      },
      {
        "slug": "grains",
        "name": "Grains",
        "uuid": "5ee66f39-5e37-4907-a6d9-f55d38324c6c",
        "practices": [
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        ],
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        ],
        "difficulty": 2
      },
      {
        "slug": "resistor-color",
        "name": "Resistor Color",
        "uuid": "e5e821ed-fc1f-4419-9c90-ad4a0b564bea",
        "practices": [
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        ],
        "prerequisites": [
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        ],
        "difficulty": 2
      },
      {
        "slug": "resistor-color-duo",
        "name": "Resistor Color Duo",
        "uuid": "0ae1989d-df46-414d-ad1f-4bd0f0f78421",
        "practices": [
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        ],
        "prerequisites": [
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        "difficulty": 2
      },
      {
        "slug": "micro-blog",
        "name": "Micro Blog",
        "uuid": "8295ae71-5c0e-49d0-bbe9-9b43a85bf2dd",
        "practices": [
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        ],
        "prerequisites": [
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        "difficulty": 3
      },
      {
        "slug": "protein-translation",
        "name": "Protein Translation",
        "uuid": "331073b3-bd1a-4868-b767-a64ce9fd9d97",
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        ],
        "prerequisites": [
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        ],
        "difficulty": 3
      },
      {
        "slug": "diamond",
        "name": "Diamond",
        "uuid": "ecbd997b-86f4-4e11-9ff0-706ac2899415",
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        ],
        "prerequisites": [
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        ],
        "difficulty": 4
      },
      {
        "slug": "proverb",
        "name": "Proverb",
        "uuid": "9906491b-a638-408d-86a4-4ad320a92658",
        "practices": [
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        ],
        "prerequisites": [
          "for-loops",
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        ],
        "difficulty": 4
      },
      {
        "slug": "twelve-days",
        "name": "Twelve Days",
        "uuid": "581afdbb-dfb6-4dc5-9554-a025b5469a3c",
        "practices": [
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        ],
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        ],
        "difficulty": 4
      },
      {
        "slug": "bob",
        "name": "Bob",
        "uuid": "34cd328c-cd96-492b-abd4-2b8716cdcd9a",
        "practices": [
          "conditionals-if"
        ],
        "prerequisites": [
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        ],
        "difficulty": 5
      },
      {
        "slug": "beer-song",
        "name": "Beer Song",
        "uuid": "56943095-de76-40bf-b42b-fa3e70f8df5e",
        "practices": [
          "strings"
        ],
        "prerequisites": [
          "for-loops",
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        ],
        "difficulty": 6
      },
      {
        "slug": "food-chain",
        "name": "Food Chain",
        "uuid": "dd3e6fd6-5359-4978-acd7-c39374cead4d",
        "practices": [
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        ],
        "prerequisites": [
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        ],
        "difficulty": 6
      },
      {
        "slug": "house",
        "name": "House",
        "uuid": "6b51aca3-3451-4a64-ad7b-00b151d7548a",
        "practices": [
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        ],
        "prerequisites": [
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        ],
        "difficulty": 6
      },
      {
        "slug": "isbn-verifier",
        "name": "ISBN Verifier",
        "uuid": "838bc1d7-b2de-482a-9bfc-c881b4ccb04c",
        "practices": [
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        ],
        "prerequisites": [
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        ],
        "difficulty": 4
      },
      {
        "slug": "largest-series-product",
        "name": "Largest Series Product",
        "uuid": "b7310b6e-435c-4d5f-b2bd-31e586d0f238",
        "practices": [
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        ],
        "prerequisites": [
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          "numbers",
          "for-loops"
        ],
        "difficulty": 4
      },
      {
        "slug": "luhn",
        "name": "Luhn",
        "uuid": "5227a76c-8ecb-4e5f-b023-6af65a057c41",
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        ],
        "prerequisites": [
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        "difficulty": 4
      },
      {
        "slug": "knapsack",
        "name": "Knapsack",
        "uuid": "89a6bf1e-66d5-4e39-9bc0-294b8b76cb2a",
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        "difficulty": 5
      },
      {
        "slug": "nucleotide-count",
        "name": "Nucleotide Count",
        "uuid": "2d80fdfc-5bd7-4b67-9fbe-8ab820d89051",
        "practices": [
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        "difficulty": 5
      },
      {
        "slug": "phone-number",
        "name": "Phone Number",
        "uuid": "5f9139e7-9fbb-496a-a0d7-a946283033de",
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        ],
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      },
      {
        "slug": "series",
        "name": "Series",
        "uuid": "af80d7f4-c7d0-4d0b-9c30-09da120f6bb9",
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        ],
        "difficulty": 5
      },
      {
        "slug": "roman-numerals",
        "name": "Roman Numerals",
        "uuid": "3e728cd4-5e5f-4c69-8a53-bc36d020fcdb",
        "practices": [
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        ],
        "prerequisites": [
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        ],
        "difficulty": 6
      },
      {
        "slug": "allergies",
        "name": "Allergies",
        "uuid": "6a617ddb-04e3-451c-bb30-27ccd0be9125",
        "practices": [
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        ],
        "prerequisites": [
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        ],
        "difficulty": 5
      },
      {
        "slug": "meetup",
        "name": "Meetup",
        "uuid": "602511d5-7e89-4def-b072-4dd311816810",
        "practices": [
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        ],
        "prerequisites": [
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        ],
        "difficulty": 7
      },
      {
        "slug": "yacht",
        "name": "Yacht",
        "uuid": "0cb45688-9598-49aa-accc-ed48c5d6962d",
        "practices": [
          "arrays"
        ],
        "prerequisites": [
          "switch-statement",
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        ],
        "difficulty": 4
      },
      {
        "slug": "bowling",
        "name": "Bowling",
        "uuid": "4b3f7771-c642-4278-a3d9-2fb958f26361",
        "practices": [
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        ],
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        ],
        "difficulty": 6
      },
      {
        "slug": "minesweeper",
        "name": "Minesweeper",
        "uuid": "416a1489-12af-4593-8540-0f55285c96b4",
        "practices": [
          "lists",
          "constructors"
        ],
        "prerequisites": [
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        ],
        "difficulty": 6
      },
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    },
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    "used_for/artificial_intelligence",
    "used_for/games"
  ]
}