lots of exercises in java... from https://github.com/exercism/java

config.json 29KB

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  1. {
  2. "language": "Java",
  3. "active": true,
  4. "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\".",
  5. "solution_pattern": "reference",
  6. "foregone": [
  7. "leap",
  8. "grains",
  9. "say"
  10. ],
  11. "exercises": [
  12. {
  13. "slug": "hello-world",
  14. "uuid": "f77dc7e3-35a8-4300-a7c8-2c1765e9644d",
  15. "core": true,
  16. "unlocked_by": null,
  17. "difficulty": 1,
  18. "topics": [
  19. "strings"
  20. ]
  21. },
  22. {
  23. "slug": "two-fer",
  24. "uuid": "74515d45-565b-4be2-96c4-77e58efa9257",
  25. "core": true,
  26. "unlocked_by": null,
  27. "difficulty": 1,
  28. "topics": [
  29. "conditionals",
  30. "strings"
  31. ]
  32. },
  33. {
  34. "slug": "reverse-string",
  35. "uuid": "2c8afeed-480e-41f3-ad58-590fa8f88029",
  36. "core": false,
  37. "unlocked_by": "two-fer",
  38. "difficulty": 1,
  39. "topics": [
  40. "strings"
  41. ]
  42. },
  43. {
  44. "slug": "armstrong-numbers",
  45. "uuid": "8e1dd48c-e05e-4a72-bf0f-5aed8dd123f5",
  46. "core": false,
  47. "unlocked_by": null,
  48. "difficulty": 2,
  49. "topics": [
  50. "integers",
  51. "mathematics"
  52. ]
  53. },
  54. {
  55. "slug": "rna-transcription",
  56. "uuid": "8e983ed2-62f7-439a-a144-fb8fdbdf4d30",
  57. "core": false,
  58. "unlocked_by": null,
  59. "difficulty": 2,
  60. "topics": [
  61. "loops",
  62. "maps",
  63. "strings"
  64. ]
  65. },
  66. {
  67. "slug": "pangram",
  68. "uuid": "133b0f84-bdc7-4508-a0a1-5732a7db81ef",
  69. "core": false,
  70. "unlocked_by": null,
  71. "difficulty": 3,
  72. "topics": [
  73. "pattern_matching",
  74. "regular_expressions",
  75. "strings"
  76. ]
  77. },
  78. {
  79. "slug": "hamming",
  80. "uuid": "ce899ca6-9cc7-47ba-b76f-1bbcf2630b76",
  81. "core": true,
  82. "unlocked_by": null,
  83. "difficulty": 3,
  84. "topics": [
  85. "integers",
  86. "loops",
  87. "strings"
  88. ]
  89. },
  90. {
  91. "slug": "gigasecond",
  92. "uuid": "bf1641c8-dc0d-4d38-9cfe-b4c132ea3553",
  93. "core": true,
  94. "unlocked_by": null,
  95. "difficulty": 3,
  96. "topics": [
  97. "dates",
  98. "integers",
  99. "time"
  100. ]
  101. },
  102. {
  103. "slug": "space-age",
  104. "uuid": "e5b524cd-3a1c-468a-8981-13e8eeccb29d",
  105. "core": false,
  106. "unlocked_by": null,
  107. "difficulty": 3,
  108. "topics": [
  109. "conditionals",
  110. "floating_point_numbers",
  111. "mathematics"
  112. ]
  113. },
  114. {
  115. "slug": "acronym",
  116. "uuid": "c31bbc6d-bdcf-44f7-bf35-5f98752e38d0",
  117. "core": false,
  118. "unlocked_by": null,
  119. "difficulty": 3,
  120. "topics": [
  121. "loops",
  122. "parsing",
  123. "searching",
  124. "strings"
  125. ]
  126. },
  127. {
  128. "slug": "scrabble-score",
  129. "uuid": "afae9f2d-8baf-4bd7-8d7c-d486337f7c97",
  130. "core": true,
  131. "unlocked_by": null,
  132. "difficulty": 3,
  133. "topics": [
  134. "games",
  135. "loops",
  136. "pattern_matching",
  137. "strings",
  138. "transforming"
  139. ]
  140. },
  141. {
  142. "slug": "raindrops",
  143. "uuid": "d916e4f8-fda1-41c0-ab24-79e8fc3f1272",
  144. "core": false,
  145. "unlocked_by": "hello-world",
  146. "difficulty": 3,
  147. "topics": [
  148. "conditionals",
  149. "integers",
  150. "mathematics",
  151. "strings"
  152. ]
  153. },
  154. {
  155. "slug": "difference-of-squares",
  156. "uuid": "b0da59c6-1b55-405c-b163-007ebf09f5e8",
  157. "core": true,
  158. "unlocked_by": null,
  159. "difficulty": 3,
  160. "topics": [
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  162. "loops",
  163. "mathematics"
  164. ]
  165. },
  166. {
  167. "slug": "secret-handshake",
  168. "uuid": "71c7c174-7e2c-43c2-bdd6-7515fcb12a91",
  169. "core": true,
  170. "unlocked_by": null,
  171. "difficulty": 3,
  172. "topics": [
  173. "bitwise_operations",
  174. "conditionals",
  175. "cryptography",
  176. "enumerations",
  177. "integers",
  178. "loops",
  179. "mathematics",
  180. "transforming"
  181. ]
  182. },
  183. {
  184. "slug": "perfect-numbers",
  185. "uuid": "d0dcc898-ec38-4822-9e3c-1a1829c9b2d9",
  186. "core": false,
  187. "unlocked_by": "difference-of-squares",
  188. "difficulty": 3,
  189. "topics": [
  190. "enumerations",
  191. "exception_handling",
  192. "filtering",
  193. "integers",
  194. "mathematics"
  195. ]
  196. },
  197. {
  198. "slug": "protein-translation",
  199. "uuid": "331073b3-bd1a-4868-b767-a64ce9fd9d97",
  200. "core": false,
  201. "unlocked_by": "two-fer",
  202. "difficulty": 3,
  203. "topics": [
  204. "arrays",
  205. "conditionals",
  206. "loops",
  207. "strings"
  208. ]
  209. },
  210. {
  211. "slug": "proverb",
  212. "uuid": "9906491b-a638-408d-86a4-4ad320a92658",
  213. "core": false,
  214. "unlocked_by": "two-fer",
  215. "difficulty": 4,
  216. "topics": [
  217. "arrays",
  218. "loops",
  219. "strings"
  220. ]
  221. },
  222. {
  223. "slug": "isbn-verifier",
  224. "uuid": "838bc1d7-b2de-482a-9bfc-c881b4ccb04c",
  225. "core": false,
  226. "unlocked_by": "hamming",
  227. "difficulty": 4,
  228. "topics": [
  229. "integers",
  230. "loops",
  231. "strings"
  232. ]
  233. },
  234. {
  235. "slug": "sum-of-multiples",
  236. "uuid": "2f244afc-3e7b-4f89-92af-e2b427f4ef35",
  237. "core": false,
  238. "unlocked_by": "difference-of-squares",
  239. "difficulty": 4,
  240. "topics": [
  241. "arrays",
  242. "conditionals",
  243. "integers",
  244. "loops",
  245. "mathematics"
  246. ]
  247. },
  248. {
  249. "slug": "luhn",
  250. "uuid": "5227a76c-8ecb-4e5f-b023-6af65a057c41",
  251. "core": false,
  252. "unlocked_by": "hamming",
  253. "difficulty": 4,
  254. "topics": [
  255. "algorithms",
  256. "booleans",
  257. "loops",
  258. "mathematics",
  259. "strings",
  260. "type_conversion"
  261. ]
  262. },
  263. {
  264. "slug": "matrix",
  265. "uuid": "c1d4e0b4-6a0f-4be9-8222-345966621f53",
  266. "core": true,
  267. "unlocked_by": null,
  268. "difficulty": 4,
  269. "topics": [
  270. "arrays",
  271. "integers",
  272. "loops",
  273. "pattern_matching",
  274. "strings",
  275. "type_conversion"
  276. ]
  277. },
  278. {
  279. "slug": "triangle",
  280. "uuid": "ec268d8e-997b-4553-8c67-8bdfa1ecb888",
  281. "core": true,
  282. "unlocked_by": null,
  283. "difficulty": 4,
  284. "topics": [
  285. "booleans",
  286. "classes",
  287. "exception_handling",
  288. "mathematics"
  289. ]
  290. },
  291. {
  292. "slug": "largest-series-product",
  293. "uuid": "b7310b6e-435c-4d5f-b2bd-31e586d0f238",
  294. "core": false,
  295. "unlocked_by": "hamming",
  296. "difficulty": 4,
  297. "topics": [
  298. "integers",
  299. "loops",
  300. "mathematics",
  301. "strings",
  302. "type_conversion"
  303. ]
  304. },
  305. {
  306. "slug": "sieve",
  307. "uuid": "6791d01f-bae4-4b63-ae76-86529ac49e36",
  308. "core": false,
  309. "unlocked_by": "difference-of-squares",
  310. "difficulty": 4,
  311. "topics": [
  312. "algorithms",
  313. "integers",
  314. "lists",
  315. "loops",
  316. "mathematics"
  317. ]
  318. },
  319. {
  320. "slug": "twelve-days",
  321. "uuid": "581afdbb-dfb6-4dc5-9554-a025b5469a3c",
  322. "core": false,
  323. "unlocked_by": "two-fer",
  324. "difficulty": 4,
  325. "topics": [
  326. "arrays",
  327. "conditionals",
  328. "loops",
  329. "strings"
  330. ]
  331. },
  332. {
  333. "slug": "rotational-cipher",
  334. "uuid": "9eb41883-55ef-4681-b5ac-5c2259302772",
  335. "core": true,
  336. "unlocked_by": null,
  337. "difficulty": 4,
  338. "topics": [
  339. "cryptography",
  340. "integers",
  341. "strings"
  342. ]
  343. },
  344. {
  345. "slug": "kindergarten-garden",
  346. "uuid": "0b92ffee-c092-4ab1-ad78-76c8cf80e1b5",
  347. "core": false,
  348. "unlocked_by": "matrix",
  349. "difficulty": 4,
  350. "topics": [
  351. "arrays",
  352. "enumerations",
  353. "lists",
  354. "logic",
  355. "loops",
  356. "pattern_recognition",
  357. "strings"
  358. ]
  359. },
  360. {
  361. "slug": "collatz-conjecture",
  362. "uuid": "1500d39a-c9d9-4d3a-9e77-fdc1837fc6ad",
  363. "core": false,
  364. "unlocked_by": "triangle",
  365. "difficulty": 4,
  366. "topics": [
  367. "conditionals",
  368. "exception_handling",
  369. "integers",
  370. "mathematics",
  371. "recursion"
  372. ]
  373. },
  374. {
  375. "slug": "nth-prime",
  376. "uuid": "2c69db99-648d-4bd7-8012-1fbdeff6ca0a",
  377. "core": false,
  378. "unlocked_by": "triangle",
  379. "difficulty": 4,
  380. "topics": [
  381. "arrays",
  382. "exception_handling",
  383. "integers",
  384. "lists",
  385. "loops"
  386. ]
  387. },
  388. {
  389. "slug": "saddle-points",
  390. "uuid": "8dfc2f0d-1141-46e9-95e2-6f35ccf6f160",
  391. "core": true,
  392. "unlocked_by": null,
  393. "difficulty": 4,
  394. "topics": [
  395. "arrays",
  396. "conditionals",
  397. "integers",
  398. "lists",
  399. "loops",
  400. "mathematics",
  401. "matrices",
  402. "sets"
  403. ]
  404. },
  405. {
  406. "slug": "error-handling",
  407. "uuid": "846ae792-7ca7-43e1-b523-bb1ec9fa08eb",
  408. "core": false,
  409. "unlocked_by": "triangle",
  410. "difficulty": 4,
  411. "topics": [
  412. "exception_handling",
  413. "optional_values"
  414. ]
  415. },
  416. {
  417. "slug": "diamond",
  418. "uuid": "ecbd997b-86f4-4e11-9ff0-706ac2899415",
  419. "core": false,
  420. "unlocked_by": "two-fer",
  421. "difficulty": 4,
  422. "topics": [
  423. "arrays",
  424. "lists",
  425. "loops",
  426. "strings",
  427. "text_formatting"
  428. ]
  429. },
  430. {
  431. "slug": "isogram",
  432. "uuid": "c3e89c7c-3a8a-4ddc-b653-9b0ff9e1d7d8",
  433. "core": false,
  434. "unlocked_by": "hello-world",
  435. "difficulty": 4,
  436. "topics": [
  437. "conditionals",
  438. "loops",
  439. "parsing",
  440. "strings"
  441. ]
  442. },
  443. {
  444. "slug": "variable-length-quantity",
  445. "uuid": "d8a2c7ba-2040-4cfe-ab15-f90b3b61dd89",
  446. "core": false,
  447. "unlocked_by": "secret-handshake",
  448. "difficulty": 4,
  449. "topics": [
  450. "bitwise_operations",
  451. "conditionals",
  452. "exception_handling",
  453. "lists",
  454. "loops",
  455. "transforming"
  456. ]
  457. },
  458. {
  459. "slug": "flatten-array",
  460. "uuid": "a732a838-8170-458a-a85e-d6b4c46f97a1",
  461. "core": true,
  462. "unlocked_by": null,
  463. "difficulty": 5,
  464. "topics": [
  465. "arrays",
  466. "lists",
  467. "loops",
  468. "recursion"
  469. ]
  470. },
  471. {
  472. "slug": "pig-latin",
  473. "uuid": "38bc80ae-d842-4c04-a797-48edf322504d",
  474. "core": false,
  475. "unlocked_by": "hello-world",
  476. "difficulty": 5,
  477. "topics": [
  478. "arrays",
  479. "lists",
  480. "strings",
  481. "transforming"
  482. ]
  483. },
  484. {
  485. "slug": "phone-number",
  486. "uuid": "5f9139e7-9fbb-496a-a0d7-a946283033de",
  487. "core": false,
  488. "unlocked_by": "hamming",
  489. "difficulty": 5,
  490. "topics": [
  491. "conditionals",
  492. "pattern_matching",
  493. "regular_expressions",
  494. "strings"
  495. ]
  496. },
  497. {
  498. "slug": "nucleotide-count",
  499. "uuid": "2d80fdfc-5bd7-4b67-9fbe-8ab820d89051",
  500. "core": false,
  501. "unlocked_by": "hamming",
  502. "difficulty": 5,
  503. "topics": [
  504. "conditionals",
  505. "exception_handling",
  506. "integers",
  507. "maps",
  508. "parsing",
  509. "searching",
  510. "strings"
  511. ]
  512. },
  513. {
  514. "slug": "word-count",
  515. "uuid": "3603b770-87a5-4758-91f3-b4d1f9075bc1",
  516. "core": true,
  517. "unlocked_by": null,
  518. "difficulty": 5,
  519. "topics": [
  520. "conditionals",
  521. "integers",
  522. "loops",
  523. "maps",
  524. "strings"
  525. ]
  526. },
  527. {
  528. "slug": "run-length-encoding",
  529. "uuid": "4499a3f9-73a7-48bf-8753-d5b6abf588c9",
  530. "core": false,
  531. "unlocked_by": "rotational-cipher",
  532. "difficulty": 5,
  533. "topics": [
  534. "integers",
  535. "pattern_matching",
  536. "strings",
  537. "transforming"
  538. ]
  539. },
  540. {
  541. "slug": "robot-name",
  542. "uuid": "d7c2eed9-64c7-4c4a-b45d-c787d460337f",
  543. "core": true,
  544. "unlocked_by": null,
  545. "difficulty": 5,
  546. "topics": [
  547. "pattern_matching",
  548. "randomness",
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