Java
Java
Acerca de JavaAprenderPracticar

Gestión del track Java

Esta página ofrece a la comunidad de Exercism la información y las herramientas necesarias para gestionar el track Java.

Estudiantes
283,284
Envíos
4,878,880
Conversaciones de mentoría
17,725

El track de Java está en buen estado ✅

En construcción

Temario de Java

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Ayuda a crear el temario del track: es un conjunto de conceptos y ejercicios de aprendizaje reunidos para enseñar los elementos fundamentales del lenguaje de programación.

Próximo objetivo: crear un temario completo con al menos 30 conceptos. Más información.
26 conceptos que se enseñan
Ba
Basics
61,648 lo aprendieron
Bo
Booleans
35,720 lo aprendieron
Ar
Arrays
18,398 lo aprendieron
Fo
For Loops
18,398 lo aprendieron
Fo
For-Each Loops
18,398 lo aprendieron
Ge
Generic Types
13,310 lo aprendieron
Li
Lists
13,310 lo aprendieron
Ex
Exceptions
6,868 lo aprendieron
Ch
Chars
11,720 lo aprendieron
Cl
Classes
12,549 lo aprendieron
Co
Constructors
9,176 lo aprendieron
In
Interfaces
6,800 lo aprendieron
If
If-Else Statements
18,693 lo aprendieron
Nu
Numbers
18,693 lo aprendieron
St
Strings
23,602 lo aprendieron
Te
Ternary Operators
11,012 lo aprendieron
Sw
Switch Statements
7,958 lo aprendieron
In
Inheritance
7,167 lo aprendieron
En
Enums
4,280 lo aprendieron
Nu
Nullability
7,629 lo aprendieron
Ra
Randomness
4,969 lo aprendieron
Da
Date-Time
5,158 lo aprendieron
Me
Method Overloading
3,567 lo aprendieron
Bi
Bit Manipulation
4,571 lo aprendieron
Se
Sets
3,480 lo aprendieron
Ma
Maps
2,603 lo aprendieron
22 ejercicios de aprendizaje activos
Iniciados
Intentos
Completados
Solicitudes de mentoría
Cook Your Lasagna Cook Your Lasagna
101,820
556,151 (prom. 5.5)
61,648 (60.5%)
495 (0.5%)
Annalyn's Infiltration Annalyn's Infiltration
48,077
445,194 (prom. 9.3)
35,720 (74.3%)
314 (0.7%)
Bird Watcher Bird Watcher
22,456
304,233 (prom. 13.5)
18,398 (81.9%)
480 (2.1%)
Karl's Languages Karl's Languages
14,851
83,936 (prom. 5.7)
13,310 (89.6%)
113 (0.8%)
Calculator Conundrum Calculator Conundrum
8,441
111,728 (prom. 13.2)
6,868 (81.4%)
115 (1.4%)
Squeaky Clean Squeaky Clean
17,405
253,609 (prom. 14.6)
11,720 (67.3%)
495 (2.8%)
Jedlik's Toy Car Jedlik's Toy Car
13,766
118,837 (prom. 8.6)
12,549 (91.2%)
154 (1.1%)
Need for Speed Need for Speed
10,534
130,554 (prom. 12.4)
9,176 (87.1%)
77 (0.7%)
Remote Control Competition Remote Control Competition
8,543
90,504 (prom. 10.6)
6,800 (79.6%)
103 (1.2%)
Cars, Assemble! Cars, Assemble!
20,846
154,077 (prom. 7.4)
18,693 (89.7%)
416 (2.0%)
Log Levels Log Levels
36,095
319,776 (prom. 8.9)
23,602 (65.4%)
302 (0.8%)
Salary Calculator Salary Calculator
11,874
69,813 (prom. 5.9)
11,012 (92.7%)
42 (0.4%)
Football Match Reports Football Match Reports
8,257
34,123 (prom. 4.1)
7,958 (96.4%)
56 (0.7%)
Wizards and Warriors Wizards and Warriors
7,885
57,947 (prom. 7.3)
7,167 (90.9%)
39 (0.5%)
Logs, Logs, Logs! Logs, Logs, Logs!
5,011
50,683 (prom. 10.1)
4,280 (85.4%)
61 (1.2%)
Tim from Marketing Tim from Marketing
8,086
53,207 (prom. 6.6)
7,629 (94.3%)
66 (0.8%)
Captain's Log Captain's Log
5,294
32,789 (prom. 6.2)
4,969 (93.9%)
21 (0.4%)
Booking Up For Beauty Booking Up For Beauty
6,232
82,766 (prom. 13.3)
5,158 (82.8%)
52 (0.8%)
Wizards and Warriors 2 Wizards and Warriors 2
3,930
34,236 (prom. 8.7)
3,567 (90.8%)
20 (0.5%)
Secrets Secrets
5,257
28,457 (prom. 5.4)
4,571 (87.0%)
7 (0.1%)
Gotta Snatch 'Em All Gotta Snatch 'Em All
4,045
48,365 (prom. 12.0)
3,480 (86.0%)
57 (1.4%)
International Calling Connoisseur International Calling Connoisseur
3,035
32,788 (prom. 10.8)
2,603 (85.8%)
28 (0.9%)
1 ejercicios de aprendizaje obsoletos
Iniciados
Intentos
Completados
Solicitudes de mentoría
Play Your Cards! Play Your Cards!
8,676
85,964 (prom. 9.9)
6,859 (79.1%)
121 (1.4%)

Ejercicios de práctica

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Los ejercicios de práctica están diseñados para que los estudiantes resuelvan un problema cualquiera, con el objetivo de que pongan en práctica los conceptos que han aprendido hasta ahora.

Repositorio principal sincronizado: 9b54e9a017b84d2f62a9bbbe4f9f47dd55c2ab2d (Las actualizaciones deberían ser instantáneas)

Próxima meta: implementar 139 ejercicios de práctica. Más información.
136 ejercicios de práctica activos
Iniciados
Intentos
Completados
Solicitudes de mentoría
Hello World Hello World
222,549
450,769 (prom. 2.0)
136,599 (61.4%)
40 (0.0%)
Leap Leap
8,532
32,334 (prom. 3.8)
6,910 (81.0%)
118 (1.4%)
Reverse String Reverse String
16,186
48,823 (prom. 3.0)
13,530 (83.6%)
331 (2.0%)
Two Fer Two Fer
24,355
78,172 (prom. 3.2)
19,423 (79.7%)
3,928 (16.1%)
Armstrong Numbers Armstrong Numbers
7,671
27,177 (prom. 3.5)
6,153 (80.2%)
149 (1.9%)
Darts Darts
7,641
26,662 (prom. 3.5)
6,047 (79.1%)
67 (0.9%)
D&D Character D&D Character
5,161
43,020 (prom. 8.3)
3,653 (70.8%)
77 (1.5%)
DOT DSL DOT DSL
1,701
7,849 (prom. 4.6)
1,058 (62.2%)
8 (0.5%)
Grains Grains
5,137
40,370 (prom. 7.9)
4,172 (81.2%)
55 (1.1%)
High Scores High Scores
2,907
23,101 (prom. 7.9)
2,327 (80.0%)
38 (1.3%)
Resistor Color Resistor Color
6,867
25,984 (prom. 3.8)
5,562 (81.0%)
74 (1.1%)
Resistor Color Duo Resistor Color Duo
4,881
16,180 (prom. 3.3)
4,145 (84.9%)
47 (1.0%)
Resistor Color Trio Resistor Color Trio
1,869
21,004 (prom. 11.2)
1,590 (85.1%)
40 (2.1%)
RNA Transcription RNA Transcription
6,938
18,411 (prom. 2.7)
5,876 (84.7%)
243 (3.5%)
Acronym Acronym
4,886
21,518 (prom. 4.4)
3,927 (80.4%)
99 (2.0%)
Difference of Squares Difference of Squares
7,191
24,376 (prom. 3.4)
6,306 (87.7%)
711 (9.9%)
Gigasecond Gigasecond
8,776
20,974 (prom. 2.4)
6,337 (72.2%)
1,345 (15.3%)
Hamming Hamming
8,794
33,189 (prom. 3.8)
7,259 (82.5%)
1,495 (17.0%)
Micro Blog Micro Blog
6,984
39,187 (prom. 5.6)
4,313 (61.8%)
104 (1.5%)
Pangram Pangram
5,738
15,623 (prom. 2.7)
4,792 (83.5%)
173 (3.0%)
Perfect Numbers Perfect Numbers
3,765
14,491 (prom. 3.8)
2,676 (71.1%)
54 (1.4%)
Eliud's Eggs Eliud's Eggs
1,397
4,495 (prom. 3.2)
1,254 (89.8%)
17 (1.2%)
Protein Translation Protein Translation
3,873
20,124 (prom. 5.2)
3,057 (78.9%)
62 (1.6%)
Raindrops Raindrops
8,487
22,481 (prom. 2.6)
7,176 (84.6%)
258 (3.0%)
Say Say
2,917
19,647 (prom. 6.7)
1,343 (46.0%)
41 (1.4%)
Scrabble Score Scrabble Score
6,445
23,483 (prom. 3.6)
5,448 (84.5%)
1,085 (16.8%)
Secret Handshake Secret Handshake
4,374
21,904 (prom. 5.0)
3,368 (77.0%)
467 (10.7%)
Space Age Space Age
4,737
10,992 (prom. 2.3)
3,663 (77.3%)
65 (1.4%)
Collatz Conjecture Collatz Conjecture
2,395
9,513 (prom. 4.0)
1,978 (82.6%)
38 (1.6%)
Diamond Diamond
3,017
16,143 (prom. 5.4)
1,993 (66.1%)
57 (1.9%)
Error Handling Error Handling
2,105
15,042 (prom. 7.1)
1,225 (58.2%)
7 (0.3%)
ISBN Verifier ISBN Verifier
2,913
14,385 (prom. 4.9)
2,295 (78.8%)
44 (1.5%)
Isogram Isogram
5,343
20,477 (prom. 3.8)
4,333 (81.1%)
172 (3.2%)
Killer Sudoku Helper Killer Sudoku Helper
913
4,761 (prom. 5.2)
501 (54.9%)
18 (2.0%)
Kindergarten Garden Kindergarten Garden
1,448
5,089 (prom. 3.5)
1,074 (74.2%)
13 (0.9%)
Largest Series Product Largest Series Product
2,108
13,068 (prom. 6.2)
1,667 (79.1%)
23 (1.1%)
Luhn Luhn
2,793
13,914 (prom. 5.0)
2,180 (78.1%)
51 (1.8%)
Matrix Matrix
3,449
17,856 (prom. 5.2)
2,592 (75.2%)
314 (9.1%)
Nth Prime Nth Prime
1,630
6,332 (prom. 3.9)
1,270 (77.9%)
21 (1.3%)
Prism Prism
146
1,034 (prom. 7.1)
65 (44.5%)
0 (0.0%)
Proverb Proverb
2,990
8,868 (prom. 3.0)
2,428 (81.2%)
34 (1.1%)
Rate Limiter Rate Limiter
307
1,355 (prom. 4.4)
165 (53.7%)
4 (1.3%)
Rotational Cipher Rotational Cipher
2,595
13,084 (prom. 5.0)
2,177 (83.9%)
226 (8.7%)
Saddle Points Saddle Points
1,955
8,925 (prom. 4.6)
1,338 (68.4%)
161 (8.2%)
Sieve Sieve
1,603
4,645 (prom. 2.9)
1,275 (79.5%)
25 (1.6%)
Split-Second Stopwatch Split-Second Stopwatch
229
1,895 (prom. 8.3)
148 (64.6%)
0 (0.0%)
Sum of Multiples Sum of Multiples
2,209
8,028 (prom. 3.6)
1,626 (73.6%)
39 (1.8%)
Swift Scheduling Swift Scheduling
206
1,934 (prom. 9.4)
140 (68.0%)
1 (0.5%)
Triangle Triangle
3,050
12,366 (prom. 4.1)
2,590 (84.9%)
262 (8.6%)
Twelve Days Twelve Days
2,837
15,628 (prom. 5.5)
2,134 (75.2%)
33 (1.2%)
Variable Length Quantity Variable Length Quantity
766
3,060 (prom. 4.0)
400 (52.2%)
2 (0.3%)
Yacht Yacht
1,697
8,282 (prom. 4.9)
1,128 (66.5%)
31 (1.8%)
Allergies Allergies
1,444
5,116 (prom. 3.5)
1,088 (75.3%)
25 (1.7%)
Atbash Cipher Atbash Cipher
912
5,085 (prom. 5.6)
726 (79.6%)
8 (0.9%)
Bob Bob
2,276
13,868 (prom. 6.1)
1,845 (81.1%)
61 (2.7%)
Flatten Array Flatten Array
1,870
8,333 (prom. 4.5)
1,396 (74.7%)
137 (7.3%)
Conway's Game of Life Conway's Game of Life
501
2,342 (prom. 4.7)
314 (62.7%)
1 (0.2%)
Grep Grep
786
3,982 (prom. 5.1)
432 (55.0%)
7 (0.9%)
Knapsack Knapsack
1,029
4,759 (prom. 4.6)
609 (59.2%)
10 (1.0%)
Ledger Ledger
460
3,261 (prom. 7.1)
253 (55.0%)
9 (2.0%)
Matching Brackets Matching Brackets
907
3,457 (prom. 3.8)
650 (71.7%)
10 (1.1%)
Nucleotide Count Nucleotide Count
2,232
6,666 (prom. 3.0)
1,982 (88.8%)
91 (4.1%)
Pascal's Triangle Pascal's Triangle
891
2,452 (prom. 2.8)
635 (71.3%)
5 (0.6%)
Phone Number Phone Number
1,619
9,420 (prom. 5.8)
1,230 (76.0%)
26 (1.6%)
Pig Latin Pig Latin
2,773
12,269 (prom. 4.4)
1,552 (56.0%)
76 (2.7%)
Prime Factors Prime Factors
962
2,922 (prom. 3.0)
736 (76.5%)
11 (1.1%)
Relative Distance Relative Distance
942
5,652 (prom. 6.0)
400 (42.5%)
8 (0.8%)
Robot Name Robot Name
1,916
10,772 (prom. 5.6)
1,561 (81.5%)
139 (7.3%)
Run-Length Encoding Run-Length Encoding
723
3,154 (prom. 4.4)
515 (71.2%)
9 (1.2%)
Series Series
1,081
3,270 (prom. 3.0)
884 (81.8%)
11 (1.0%)
Square Root Square Root
636
1,922 (prom. 3.0)
502 (78.9%)
9 (1.4%)
Word Count Word Count
2,963
17,250 (prom. 5.8)
2,255 (76.1%)
213 (7.2%)
State Of Tic Tac Toe State Of Tic Tac Toe
380
2,579 (prom. 6.8)
229 (60.3%)
6 (1.6%)
Affine Cipher Affine Cipher
424
3,148 (prom. 7.4)
277 (65.3%)
4 (0.9%)
All Your Base All Your Base
572
2,922 (prom. 5.1)
389 (68.0%)
2 (0.3%)
Alphametics Alphametics
609
2,657 (prom. 4.4)
249 (40.9%)
3 (0.5%)
Baffling Birthdays Baffling Birthdays
90
411 (prom. 4.6)
53 (58.9%)
0 (0.0%)
Bank Account Bank Account
1,751
9,503 (prom. 5.4)
1,201 (68.6%)
96 (5.5%)
Binary Search Binary Search
1,414
7,806 (prom. 5.5)
1,064 (75.2%)
94 (6.6%)
Bottle Song Bottle Song
859
7,695 (prom. 9.0)
543 (63.2%)
19 (2.2%)
Bowling Bowling
1,017
8,270 (prom. 8.1)
437 (43.0%)
11 (1.1%)
Camicia Camicia
41
345 (prom. 8.4)
23 (56.1%)
0 (0.0%)
ETL ETL
1,869
2,912 (prom. 1.6)
1,682 (90.0%)
128 (6.8%)
Flower Field Flower Field
115
491 (prom. 4.3)
78 (67.8%)
0 (0.0%)
Food Chain Food Chain
931
3,541 (prom. 3.8)
623 (66.9%)
11 (1.2%)
Grade School Grade School
895
3,042 (prom. 3.4)
640 (71.5%)
22 (2.5%)
House House
1,004
3,761 (prom. 3.7)
718 (71.5%)
10 (1.0%)
Intergalactic Transmission Intergalactic Transmission
920
1,846 (prom. 2.0)
101 (11.0%)
5 (0.5%)
Linked List Linked List
1,468
6,366 (prom. 4.3)
1,035 (70.5%)
78 (5.3%)
Parallel Letter Frequency Parallel Letter Frequency
796
3,685 (prom. 4.6)
491 (61.7%)
13 (1.6%)
Piecing It Together Piecing It Together
82
761 (prom. 9.3)
42 (51.2%)
0 (0.0%)
Queen Attack Queen Attack
2,076
7,877 (prom. 3.8)
778 (37.5%)
34 (1.6%)
Rail Fence Cipher Rail Fence Cipher
402
1,567 (prom. 3.9)
242 (60.2%)
1 (0.2%)
REST API REST API
794
4,387 (prom. 5.5)
196 (24.7%)
5 (0.6%)
Robot Simulator Robot Simulator
859
2,758 (prom. 3.2)
544 (63.3%)
10 (1.2%)
Roman Numerals Roman Numerals
1,226
3,793 (prom. 3.1)
895 (73.0%)
15 (1.2%)
Spiral Matrix Spiral Matrix
633
1,607 (prom. 2.5)
397 (62.7%)
6 (0.9%)
Tournament Tournament
783
3,846 (prom. 4.9)
398 (50.8%)
10 (1.3%)
Transpose Transpose
579
2,968 (prom. 5.1)
316 (54.6%)
2 (0.3%)
Wordy Wordy
607
2,783 (prom. 4.6)
358 (59.0%)
6 (1.0%)
Anagram Anagram
3,200
10,471 (prom. 3.3)
2,299 (71.8%)
114 (3.6%)
Binary Search Tree Binary Search Tree
688
2,936 (prom. 4.3)
388 (56.4%)
9 (1.3%)
Clock Clock
573
2,390 (prom. 4.2)
386 (67.4%)
3 (0.5%)
Crypto Square Crypto Square
469
1,879 (prom. 4.0)
316 (67.4%)
3 (0.6%)
Dominoes Dominoes
1,098
3,192 (prom. 2.9)
293 (26.7%)
9 (0.8%)
Go Counting Go Counting
514
1,502 (prom. 2.9)
190 (37.0%)
0 (0.0%)
Markdown Markdown
952
2,238 (prom. 2.4)
394 (41.4%)
14 (1.5%)
Meetup Meetup
916
2,448 (prom. 2.7)
709 (77.4%)
13 (1.4%)
Poker Poker
778
2,691 (prom. 3.5)
237 (30.5%)
6 (0.8%)
SGF Parsing SGF Parsing
157
1,947 (prom. 12.4)
87 (55.4%)
2 (1.3%)
Simple Linked List Simple Linked List
785
4,049 (prom. 5.2)
470 (59.9%)
10 (1.3%)
Sublist Sublist
520
1,846 (prom. 3.6)
332 (63.8%)
0 (0.0%)
Tree Building Tree Building
351
845 (prom. 2.4)
160 (45.6%)
3 (0.9%)
Two Bucket Two Bucket
407
1,185 (prom. 2.9)
180 (44.2%)
3 (0.7%)
Word Search Word Search
897
2,578 (prom. 2.9)
284 (31.7%)
5 (0.6%)
Zebra Puzzle Zebra Puzzle
3,189
2,879 (prom. 0.9)
522 (16.4%)
12 (0.4%)
Zipper Zipper
331
966 (prom. 2.9)
146 (44.1%)
0 (0.0%)
Book Store Book Store
674
2,325 (prom. 3.4)
234 (34.7%)
6 (0.9%)
Change Change
575
3,383 (prom. 5.9)
241 (41.9%)
4 (0.7%)
Circular Buffer Circular Buffer
616
2,432 (prom. 3.9)
375 (60.9%)
5 (0.8%)
Complex Numbers Complex Numbers
665
2,314 (prom. 3.5)
417 (62.7%)
11 (1.7%)
Connect Connect
359
1,804 (prom. 5.0)
187 (52.1%)
7 (1.9%)
Hangman Hangman
378
1,129 (prom. 3.0)
101 (26.7%)
6 (1.6%)
List Ops List Ops
559
2,358 (prom. 4.2)
300 (53.7%)
9 (1.6%)
Mazy Mice Mazy Mice
155
716 (prom. 4.6)
71 (45.8%)
4 (2.6%)
OCR Numbers OCR Numbers
395
842 (prom. 2.1)
211 (53.4%)
3 (0.8%)
Palindrome Products Palindrome Products
483
1,464 (prom. 3.0)
256 (53.0%)
5 (1.0%)
POV POV
169
780 (prom. 4.6)
82 (48.5%)
1 (0.6%)
Rational Numbers Rational Numbers
524
3,367 (prom. 6.4)
282 (53.8%)
6 (1.1%)
React React
275
1,137 (prom. 4.1)
90 (32.7%)
2 (0.7%)
Rectangles Rectangles
374
886 (prom. 2.4)
188 (50.3%)
4 (1.1%)
Simple Cipher Simple Cipher
537
1,806 (prom. 3.4)
347 (64.6%)
7 (1.3%)
Forth Forth
529
1,849 (prom. 3.5)
217 (41.0%)
13 (2.5%)
Pythagorean Triplet Pythagorean Triplet
1,087
6,718 (prom. 6.2)
472 (43.4%)
7 (0.6%)
Custom Set Custom Set
596
2,096 (prom. 3.5)
268 (45.0%)
5 (0.8%)
Satellite Satellite
531
1,135 (prom. 2.1)
179 (33.7%)
4 (0.8%)
9 ejercicios de práctica obsoletos
Iniciados
Intentos
Completados
Solicitudes de mentoría
Accumulate Accumulate
110
138 (prom. 1.3)
107 (97.3%)
5 (4.5%)
Beer Song Beer Song
867
3,388 (prom. 3.9)
664 (76.6%)
15 (1.7%)
Binary Binary
136
181 (prom. 1.3)
134 (98.5%)
6 (4.4%)
Diffie-Hellman Diffie-Hellman
228
327 (prom. 1.4)
117 (51.3%)
2 (0.9%)
Hexadecimal Hexadecimal
58
74 (prom. 1.3)
56 (96.6%)
7 (12.1%)
Minesweeper Minesweeper
795
2,853 (prom. 3.6)
519 (65.3%)
9 (1.1%)
Octal Octal
59
70 (prom. 1.2)
57 (96.6%)
2 (3.4%)
Strain Strain
111
141 (prom. 1.3)
108 (97.3%)
5 (4.5%)
Trinary Trinary
71
85 (prom. 1.2)
69 (97.2%)
1 (1.4%)
3 ejercicios de práctica sin implementar
Line Up Line Up
Ver datosEl enlace se abre en una ventana o pestaña nueva
PaaS I/O PaaS I/O
Ver datosEl enlace se abre en una ventana o pestaña nueva
Save the Cow Save the Cow
Ver datosEl enlace se abre en una ventana o pestaña nueva
1 ejercicio de práctica descartado
Lens Person Lens Person
Ver datosEl enlace se abre en una ventana o pestaña nueva

Ejecutor de pruebas

Aprende más

Crea Test Runners que tengan la única responsabilidad de tomar una solución, ejecutar todas las pruebas y devolver una salida estandarizada.

Versión actual: 149e8132a1ca50237d80ccbf402cc1104dc41eb1 (Tarda hasta 10 minutos en desplegarse)

Total de ejecuciones del Test Runner
4,792,682
Tasa de aprobación de las ejecuciones de prueba
17.3% (827625)
Tasa de fallo de las ejecuciones de prueba
38.1% (1828255)
Tasa de error de las ejecuciones de prueba
44.6% (2136802)

Representador

Más información

Crea un representador: un fragmento de código cuya única responsabilidad es tomar una solución y devolver una representación normalizada de ella.

Versión actual: c84371546bbb96407e400b7e18d7fcc204a0b29c (Puede tardar hasta 10 minutos en desplegarse)

Total de ejecuciones del representador
945,057
Total de comentarios de representación realizados
109,095
Frecuencia de comentarios dados
11.5%

Analizador

Aprende más

Crea un analizador para Java: los analizadores de Exercism evalúan automáticamente las entregas de los estudiantes y ofrecen comentarios al estilo de un mentor.

Versión actual: 3b609b65df1ca5622fea622d4d1169013ad1f7a5 (Tarda hasta 10 minutos en desplegarse)

Total de ejecuciones del analizador
660,336
Total de comentarios de análisis realizados
426,537
Frecuencia de retroalimentación dada
4.3%