Gestion du parcours Java

Cette page fournit à la communauté Exercism les informations et les outils nécessaires pour gérer le parcours Java.

Apprenants
286 436
Soumissions
4 954 440
Discussions de mentorat
17 800

Le parcours Java est en bonne santé ✅

En construction

Programme Java

En savoir plus

Aide à créer le programme du parcours : il s'agit d'un ensemble de concepts et d'exercices d'apprentissage réunis pour enseigner les éléments fondamentaux du langage de programmation.

Prochain objectif : créer un programme complet avec au moins 30 concepts. En savoir plus.
27 concepts enseignés
Ba
Basics
62 684 l'ont appris
Bo
Booleans
36 368 l'ont appris
Ar
Arrays
18 810 l'ont appris
Fo
For Loops
18 810 l'ont appris
Fo
For-Each Loops
18 810 l'ont appris
Ge
Generic Types
13 612 l'ont appris
Li
Lists
13 612 l'ont appris
Ex
Exceptions
7 076 l'ont appris
Ch
Chars
11 940 l'ont appris
Cl
Classes
12 882 l'ont appris
Co
Constructors
9 423 l'ont appris
In
Interfaces
6 984 l'ont appris
If
If-Else Statements
19 110 l'ont appris
Nu
Numbers
19 110 l'ont appris
St
Strings
24 028 l'ont appris
Te
Ternary Operators
11 254 l'ont appris
Sw
Switch Statements
8 139 l'ont appris
In
Inheritance
7 345 l'ont appris
En
Enums
4 391 l'ont appris
Nu
Nullability
7 849 l'ont appris
Ra
Randomness
5 107 l'ont appris
Da
Date-Time
5 295 l'ont appris
Me
Method Overloading
3 655 l'ont appris
Bi
Bit Manipulation
4 698 l'ont appris
Se
Sets
3 577 l'ont appris
Ma
Maps
2 713 l'ont appris
Te
Temporal Adjusters
44 l'ont appris
23 exercices d'apprentissage actifs
Commencés
Tentatives
Terminés
Demandes de mentorat
Cook Your Lasagna Cook Your Lasagna
103 449
564 545 (moy. 5.5)
62 684 (60.6%)
497 (0.5%)
Annalyn's Infiltration Annalyn's Infiltration
48 917
451 094 (moy. 9.2)
36 368 (74.3%)
315 (0.6%)
Bird Watcher Bird Watcher
22 951
310 729 (moy. 13.5)
18 810 (82.0%)
488 (2.1%)
Karl's Languages Karl's Languages
15 192
85 703 (moy. 5.6)
13 612 (89.6%)
118 (0.8%)
Calculator Conundrum Calculator Conundrum
8 684
114 164 (moy. 13.1)
7 076 (81.5%)
118 (1.4%)
Squeaky Clean Squeaky Clean
17 664
256 040 (moy. 14.5)
11 940 (67.6%)
500 (2.8%)
Jedlik's Toy Car Jedlik's Toy Car
14 143
121 464 (moy. 8.6)
12 882 (91.1%)
157 (1.1%)
Need for Speed Need for Speed
10 841
133 491 (moy. 12.3)
9 423 (86.9%)
80 (0.7%)
Remote Control Competition Remote Control Competition
8 792
92 469 (moy. 10.5)
6 984 (79.4%)
105 (1.2%)
Cars, Assemble! Cars, Assemble!
21 296
156 934 (moy. 7.4)
19 110 (89.7%)
426 (2.0%)
Log Levels Log Levels
36 676
324 277 (moy. 8.8)
24 028 (65.5%)
303 (0.8%)
Salary Calculator Salary Calculator
12 143
71 122 (moy. 5.9)
11 254 (92.7%)
43 (0.4%)
Football Match Reports Football Match Reports
8 448
34 750 (moy. 4.1)
8 139 (96.3%)
58 (0.7%)
Wizards and Warriors Wizards and Warriors
8 082
59 304 (moy. 7.3)
7 345 (90.9%)
39 (0.5%)
Logs, Logs, Logs! Logs, Logs, Logs!
5 147
51 758 (moy. 10.1)
4 391 (85.3%)
62 (1.2%)
Tim from Marketing Tim from Marketing
8 317
54 606 (moy. 6.6)
7 849 (94.4%)
66 (0.8%)
Captain's Log Captain's Log
5 431
33 550 (moy. 6.2)
5 107 (94.0%)
21 (0.4%)
Booking Up For Beauty Booking Up For Beauty
6 402
84 494 (moy. 13.2)
5 295 (82.7%)
53 (0.8%)
Wizards and Warriors 2 Wizards and Warriors 2
4 020
34 961 (moy. 8.7)
3 655 (90.9%)
21 (0.5%)
Secrets Secrets
5 395
29 117 (moy. 5.4)
4 698 (87.1%)
7 (0.1%)
Gotta Snatch 'Em All Gotta Snatch 'Em All
4 153
49 353 (moy. 11.9)
3 577 (86.1%)
58 (1.4%)
International Calling Connoisseur International Calling Connoisseur
3 163
33 916 (moy. 10.7)
2 713 (85.8%)
33 (1.0%)
Beauty Salon Regulars Beauty Salon Regulars
67
621 (moy. 9.3)
44 (65.7%)
1 (1.5%)
1 exercices d'apprentissage obsolètes
Commencés
Tentatives
Terminés
Demandes de mentorat
Play Your Cards! Play Your Cards!
8 676
85 974 (moy. 9.9)
6 859 (79.1%)
121 (1.4%)

Exercices d'entraînement

En savoir plus

Les exercices d'entraînement sont conçus pour permettre aux apprenants de résoudre un problème quelconque, dans le but de mettre en pratique les concepts qu'ils ont appris jusqu'ici.

Dépôt principal synchronisé : be2d006c30c50e0154231dd987d5a3b5526c0427 (Les mises à jour devraient être instantanées)

Prochain objectif : implémenter 140 exercices d'entraînement. En savoir plus.
136 exercices d'entraînement actifs
Commencés
Tentatives
Terminés
Demandes de mentorat
Hello World Hello World
225 609
456 736 (moy. 2.0)
138 461 (61.4%)
40 (0.0%)
Leap Leap
8 691
32 996 (moy. 3.8)
7 044 (81.0%)
119 (1.4%)
Reverse String Reverse String
16 298
49 211 (moy. 3.0)
13 633 (83.6%)
331 (2.0%)
Two Fer Two Fer
24 480
78 602 (moy. 3.2)
19 530 (79.8%)
3 929 (16.0%)
Armstrong Numbers Armstrong Numbers
7 787
27 705 (moy. 3.6)
6 258 (80.4%)
151 (1.9%)
Darts Darts
7 755
26 992 (moy. 3.5)
6 138 (79.1%)
67 (0.9%)
D&D Character D&D Character
5 231
43 721 (moy. 8.4)
3 712 (71.0%)
78 (1.5%)
DOT DSL DOT DSL
1 766
8 204 (moy. 4.6)
1 108 (62.7%)
9 (0.5%)
Grains Grains
5 232
41 084 (moy. 7.9)
4 252 (81.3%)
55 (1.1%)
High Scores High Scores
2 983
23 601 (moy. 7.9)
2 388 (80.1%)
38 (1.3%)
Resistor Color Resistor Color
6 940
26 264 (moy. 3.8)
5 632 (81.2%)
74 (1.1%)
Resistor Color Duo Resistor Color Duo
4 942
16 448 (moy. 3.3)
4 202 (85.0%)
47 (1.0%)
Resistor Color Trio Resistor Color Trio
1 928
21 501 (moy. 11.2)
1 643 (85.2%)
40 (2.1%)
RNA Transcription RNA Transcription
6 992
18 612 (moy. 2.7)
5 927 (84.8%)
243 (3.5%)
Acronym Acronym
4 955
21 891 (moy. 4.4)
3 984 (80.4%)
99 (2.0%)
Difference of Squares Difference of Squares
7 252
24 577 (moy. 3.4)
6 364 (87.8%)
711 (9.8%)
Gigasecond Gigasecond
8 827
21 071 (moy. 2.4)
6 379 (72.3%)
1 345 (15.2%)
Hamming Hamming
8 848
33 473 (moy. 3.8)
7 310 (82.6%)
1 495 (16.9%)
Micro Blog Micro Blog
7 051
39 530 (moy. 5.6)
4 361 (61.8%)
104 (1.5%)
Pangram Pangram
5 779
15 851 (moy. 2.7)
4 832 (83.6%)
173 (3.0%)
Perfect Numbers Perfect Numbers
3 806
14 741 (moy. 3.9)
2 713 (71.3%)
54 (1.4%)
Eliud's Eggs Eliud's Eggs
1 440
4 663 (moy. 3.2)
1 296 (90.0%)
17 (1.2%)
Protein Translation Protein Translation
3 917
20 581 (moy. 5.3)
3 097 (79.1%)
62 (1.6%)
Raindrops Raindrops
8 557
22 798 (moy. 2.7)
7 239 (84.6%)
258 (3.0%)
Say Say
2 956
20 006 (moy. 6.8)
1 374 (46.5%)
42 (1.4%)
Scrabble Score Scrabble Score
6 485
23 662 (moy. 3.6)
5 484 (84.6%)
1 085 (16.7%)
Secret Handshake Secret Handshake
4 407
22 142 (moy. 5.0)
3 400 (77.1%)
468 (10.6%)
Space Age Space Age
4 776
11 124 (moy. 2.3)
3 696 (77.4%)
65 (1.4%)
Collatz Conjecture Collatz Conjecture
2 433
9 718 (moy. 4.0)
2 008 (82.5%)
38 (1.6%)
Diamond Diamond
3 047
16 341 (moy. 5.4)
2 018 (66.2%)
57 (1.9%)
Error Handling Error Handling
2 136
15 298 (moy. 7.2)
1 250 (58.5%)
7 (0.3%)
ISBN Verifier ISBN Verifier
2 941
14 543 (moy. 4.9)
2 319 (78.9%)
44 (1.5%)
Isogram Isogram
5 383
20 649 (moy. 3.8)
4 367 (81.1%)
172 (3.2%)
Killer Sudoku Helper Killer Sudoku Helper
931
4 999 (moy. 5.4)
513 (55.1%)
18 (1.9%)
Kindergarten Garden Kindergarten Garden
1 462
5 176 (moy. 3.5)
1 088 (74.4%)
13 (0.9%)
Largest Series Product Largest Series Product
2 126
13 227 (moy. 6.2)
1 682 (79.1%)
23 (1.1%)
Luhn Luhn
2 815
14 052 (moy. 5.0)
2 198 (78.1%)
51 (1.8%)
Matrix Matrix
3 465
17 967 (moy. 5.2)
2 606 (75.2%)
314 (9.1%)
Nth Prime Nth Prime
1 644
6 427 (moy. 3.9)
1 285 (78.2%)
22 (1.3%)
Prism Prism
165
1 162 (moy. 7.0)
77 (46.7%)
1 (0.6%)
Proverb Proverb
3 005
8 953 (moy. 3.0)
2 441 (81.2%)
34 (1.1%)
Rate Limiter Rate Limiter
332
1 450 (moy. 4.4)
181 (54.5%)
5 (1.5%)
Rotational Cipher Rotational Cipher
2 606
13 151 (moy. 5.0)
2 186 (83.9%)
226 (8.7%)
Saddle Points Saddle Points
1 961
8 965 (moy. 4.6)
1 342 (68.4%)
161 (8.2%)
Sieve Sieve
1 620
4 737 (moy. 2.9)
1 285 (79.3%)
25 (1.5%)
Split-Second Stopwatch Split-Second Stopwatch
237
1 955 (moy. 8.2)
156 (65.8%)
0 (0.0%)
Sum of Multiples Sum of Multiples
2 224
8 099 (moy. 3.6)
1 639 (73.7%)
40 (1.8%)
Swift Scheduling Swift Scheduling
214
1 991 (moy. 9.3)
147 (68.7%)
1 (0.5%)
Triangle Triangle
3 063
12 438 (moy. 4.1)
2 601 (84.9%)
262 (8.6%)
Twelve Days Twelve Days
2 846
15 695 (moy. 5.5)
2 142 (75.3%)
33 (1.2%)
Variable Length Quantity Variable Length Quantity
770
3 083 (moy. 4.0)
404 (52.5%)
2 (0.3%)
Yacht Yacht
1 700
8 304 (moy. 4.9)
1 130 (66.5%)
31 (1.8%)
Allergies Allergies
1 452
5 148 (moy. 3.5)
1 095 (75.4%)
25 (1.7%)
Atbash Cipher Atbash Cipher
917
5 110 (moy. 5.6)
729 (79.5%)
9 (1.0%)
Bob Bob
2 301
14 162 (moy. 6.2)
1 862 (80.9%)
62 (2.7%)
Flatten Array Flatten Array
1 882
8 369 (moy. 4.4)
1 400 (74.4%)
137 (7.3%)
Conway's Game of Life Conway's Game of Life
510
2 377 (moy. 4.7)
322 (63.1%)
2 (0.4%)
Grep Grep
789
3 993 (moy. 5.1)
435 (55.1%)
7 (0.9%)
Knapsack Knapsack
1 032
4 768 (moy. 4.6)
611 (59.2%)
10 (1.0%)
Ledger Ledger
463
3 267 (moy. 7.1)
255 (55.1%)
9 (1.9%)
Matching Brackets Matching Brackets
913
3 494 (moy. 3.8)
655 (71.7%)
11 (1.2%)
Nucleotide Count Nucleotide Count
2 240
6 720 (moy. 3.0)
1 988 (88.8%)
91 (4.1%)
Pascal's Triangle Pascal's Triangle
892
2 462 (moy. 2.8)
636 (71.3%)
5 (0.6%)
Phone Number Phone Number
1 621
9 429 (moy. 5.8)
1 232 (76.0%)
26 (1.6%)
Pig Latin Pig Latin
2 774
12 274 (moy. 4.4)
1 553 (56.0%)
76 (2.7%)
Prime Factors Prime Factors
966
2 926 (moy. 3.0)
738 (76.4%)
11 (1.1%)
Relative Distance Relative Distance
991
5 975 (moy. 6.0)
428 (43.2%)
9 (0.9%)
Robot Name Robot Name
1 922
10 788 (moy. 5.6)
1 564 (81.4%)
139 (7.2%)
Run-Length Encoding Run-Length Encoding
724
3 161 (moy. 4.4)
516 (71.3%)
9 (1.2%)
Series Series
1 085
3 293 (moy. 3.0)
887 (81.8%)
11 (1.0%)
Square Root Square Root
641
1 929 (moy. 3.0)
506 (78.9%)
9 (1.4%)
Word Count Word Count
2 980
17 348 (moy. 5.8)
2 265 (76.0%)
213 (7.1%)
State Of Tic Tac Toe State Of Tic Tac Toe
384
2 602 (moy. 6.8)
230 (59.9%)
6 (1.6%)
Affine Cipher Affine Cipher
425
3 164 (moy. 7.4)
278 (65.4%)
4 (0.9%)
All Your Base All Your Base
573
2 942 (moy. 5.1)
390 (68.1%)
2 (0.3%)
Alphametics Alphametics
611
2 660 (moy. 4.4)
251 (41.1%)
3 (0.5%)
Baffling Birthdays Baffling Birthdays
95
425 (moy. 4.5)
57 (60.0%)
0 (0.0%)
Bank Account Bank Account
1 759
9 617 (moy. 5.5)
1 205 (68.5%)
96 (5.5%)
Binary Search Binary Search
1 422
7 844 (moy. 5.5)
1 071 (75.3%)
94 (6.6%)
Bottle Song Bottle Song
871
7 752 (moy. 8.9)
549 (63.0%)
19 (2.2%)
Bowling Bowling
1 026
8 287 (moy. 8.1)
442 (43.1%)
11 (1.1%)
Camicia Camicia
47
354 (moy. 7.5)
27 (57.4%)
0 (0.0%)
ETL ETL
1 878
2 958 (moy. 1.6)
1 690 (90.0%)
128 (6.8%)
Flower Field Flower Field
119
494 (moy. 4.2)
81 (68.1%)
0 (0.0%)
Food Chain Food Chain
938
3 563 (moy. 3.8)
629 (67.1%)
11 (1.2%)
Grade School Grade School
908
3 133 (moy. 3.5)
650 (71.6%)
22 (2.4%)
House House
1 006
3 766 (moy. 3.7)
720 (71.6%)
10 (1.0%)
Intergalactic Transmission Intergalactic Transmission
984
1 903 (moy. 1.9)
108 (11.0%)
5 (0.5%)
Linked List Linked List
1 475
6 380 (moy. 4.3)
1 040 (70.5%)
78 (5.3%)
Parallel Letter Frequency Parallel Letter Frequency
800
3 712 (moy. 4.6)
494 (61.8%)
13 (1.6%)
Piecing It Together Piecing It Together
84
763 (moy. 9.1)
44 (52.4%)
0 (0.0%)
Queen Attack Queen Attack
2 076
7 877 (moy. 3.8)
778 (37.5%)
34 (1.6%)
Rail Fence Cipher Rail Fence Cipher
403
1 568 (moy. 3.9)
243 (60.3%)
1 (0.2%)
REST API REST API
803
4 452 (moy. 5.5)
203 (25.3%)
5 (0.6%)
Robot Simulator Robot Simulator
868
2 772 (moy. 3.2)
548 (63.1%)
10 (1.2%)
Roman Numerals Roman Numerals
1 229
3 794 (moy. 3.1)
896 (72.9%)
15 (1.2%)
Spiral Matrix Spiral Matrix
637
1 618 (moy. 2.5)
400 (62.8%)
6 (0.9%)
Tournament Tournament
799
4 024 (moy. 5.0)
406 (50.8%)
10 (1.3%)
Transpose Transpose
582
3 027 (moy. 5.2)
319 (54.8%)
2 (0.3%)
Wordy Wordy
611
2 845 (moy. 4.7)
359 (58.8%)
6 (1.0%)
Anagram Anagram
3 209
10 564 (moy. 3.3)
2 308 (71.9%)
114 (3.6%)
Binary Search Tree Binary Search Tree
695
2 987 (moy. 4.3)
390 (56.1%)
9 (1.3%)
Clock Clock
584
2 467 (moy. 4.2)
388 (66.4%)
3 (0.5%)
Crypto Square Crypto Square
472
1 922 (moy. 4.1)
318 (67.4%)
3 (0.6%)
Dominoes Dominoes
1 100
3 218 (moy. 2.9)
293 (26.6%)
9 (0.8%)
Go Counting Go Counting
515
1 503 (moy. 2.9)
191 (37.1%)
0 (0.0%)
Markdown Markdown
958
2 243 (moy. 2.3)
397 (41.4%)
14 (1.5%)
Meetup Meetup
917
2 450 (moy. 2.7)
710 (77.4%)
13 (1.4%)
Poker Poker
783
2 706 (moy. 3.5)
238 (30.4%)
6 (0.8%)
SGF Parsing SGF Parsing
157
1 948 (moy. 12.4)
88 (56.1%)
2 (1.3%)
Simple Linked List Simple Linked List
791
4 076 (moy. 5.2)
472 (59.7%)
10 (1.3%)
Sublist Sublist
520
1 846 (moy. 3.6)
332 (63.8%)
0 (0.0%)
Tree Building Tree Building
352
846 (moy. 2.4)
161 (45.7%)
3 (0.9%)
Two Bucket Two Bucket
410
1 187 (moy. 2.9)
181 (44.1%)
3 (0.7%)
Word Search Word Search
899
2 608 (moy. 2.9)
286 (31.8%)
5 (0.6%)
Zebra Puzzle Zebra Puzzle
3 239
2 927 (moy. 0.9)
532 (16.4%)
13 (0.4%)
Zipper Zipper
334
973 (moy. 2.9)
148 (44.3%)
0 (0.0%)
Book Store Book Store
680
2 343 (moy. 3.4)
238 (35.0%)
6 (0.9%)
Change Change
581
3 407 (moy. 5.9)
243 (41.8%)
4 (0.7%)
Circular Buffer Circular Buffer
619
2 460 (moy. 4.0)
378 (61.1%)
5 (0.8%)
Complex Numbers Complex Numbers
670
2 318 (moy. 3.5)
418 (62.4%)
11 (1.6%)
Connect Connect
360
1 806 (moy. 5.0)
188 (52.2%)
7 (1.9%)
Hangman Hangman
381
1 130 (moy. 3.0)
102 (26.8%)
6 (1.6%)
List Ops List Ops
569
2 380 (moy. 4.2)
305 (53.6%)
10 (1.8%)
Mazy Mice Mazy Mice
158
718 (moy. 4.5)
72 (45.6%)
4 (2.5%)
OCR Numbers OCR Numbers
395
842 (moy. 2.1)
211 (53.4%)
3 (0.8%)
Palindrome Products Palindrome Products
485
1 492 (moy. 3.1)
258 (53.2%)
5 (1.0%)
POV POV
173
781 (moy. 4.5)
83 (48.0%)
1 (0.6%)
Rational Numbers Rational Numbers
531
3 396 (moy. 6.4)
285 (53.7%)
6 (1.1%)
React React
282
1 140 (moy. 4.0)
91 (32.3%)
2 (0.7%)
Rectangles Rectangles
376
898 (moy. 2.4)
190 (50.5%)
4 (1.1%)
Simple Cipher Simple Cipher
539
1 820 (moy. 3.4)
349 (64.7%)
7 (1.3%)
Forth Forth
531
1 891 (moy. 3.6)
217 (40.9%)
13 (2.4%)
Pythagorean Triplet Pythagorean Triplet
1 090
6 725 (moy. 6.2)
474 (43.5%)
7 (0.6%)
Custom Set Custom Set
606
2 130 (moy. 3.5)
273 (45.0%)
5 (0.8%)
Satellite Satellite
537
1 143 (moy. 2.1)
182 (33.9%)
4 (0.7%)
9 exercices d'entraînement obsolètes
Commencés
Tentatives
Terminés
Demandes de mentorat
Accumulate Accumulate
110
138 (moy. 1.3)
107 (97.3%)
5 (4.5%)
Beer Song Beer Song
867
3 388 (moy. 3.9)
664 (76.6%)
15 (1.7%)
Binary Binary
136
181 (moy. 1.3)
134 (98.5%)
6 (4.4%)
Diffie-Hellman Diffie-Hellman
228
327 (moy. 1.4)
117 (51.3%)
2 (0.9%)
Hexadecimal Hexadecimal
58
74 (moy. 1.3)
56 (96.6%)
7 (12.1%)
Minesweeper Minesweeper
795
2 853 (moy. 3.6)
519 (65.3%)
9 (1.1%)
Octal Octal
59
70 (moy. 1.2)
57 (96.6%)
2 (3.4%)
Strain Strain
111
141 (moy. 1.3)
108 (97.3%)
5 (4.5%)
Trinary Trinary
71
85 (moy. 1.2)
69 (97.2%)
1 (1.4%)
4 exercices d'entraînement non implémentés
Resistor Color Tolerance Resistor Color Tolerance
Save the Cow Save the Cow
1 exercice d'entraînement abandonné
Lens Person Lens Person

Exécuteur de tests

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Crée des exécuteurs de tests dont la seule responsabilité est de prendre une solution, de lancer tous les tests et de renvoyer une sortie standardisée.

Version actuelle : 3f0677266bdae1fa5828cde474d4d65e57f4d967 (Jusqu'à 10 minutes pour déployer)

Nombre total d'exécutions de l'exécuteur de tests
4 867 752
Taux de réussite des exécutions de tests
17.3% (841623)
Taux d'échec des exécutions de tests
38.1% (1855840)
Taux d'erreur des exécutions de tests
44.6% (2170289)

Representer

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Crée un representer : un bout de code dont la seule responsabilité est de prendre une solution et d'en renvoyer une représentation normalisée.

Version actuelle : 0dacac5bc7ce92d4a2612ffa8eb4c7eac24d3219 (Jusqu'à 10 minutes pour déployer)

Nombre total d'exécutions du representer
957 905
Nombre total de commentaires de représentation publiés
112 199
Fréquence des retours donnés
11.7%

Analyseur

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Crée un analyseur pour Java : les analyseurs d'Exercism évaluent automatiquement les soumissions des apprenants et fournissent des commentaires à la manière d'un mentor.

Version actuelle : 1a09c2c7f5539c77344519ba8a7b6561ad51adde (Le déploiement peut prendre jusqu'à 10 minutes)

Nombre total d'exécutions de l'analyseur
673 170
Nombre total de commentaires d'analyse publiés
436 098
Fréquence des retours donnés
4.3%