Java 트랙 관리

이 페이지는 Exercism 커뮤니티가 Java 트랙을 관리하는 데 필요한 정보와 도구를 제공해요.

학생
286,436
제출
4,954,440
멘토링 토론
17,800

Java 트랙 정상이에요 ✅

구축 중

Java 실라버스

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트랙 실라버스 만들기를 도와주세요. 실라버스는 프로그래밍 언어의 기초 요소를 가르치기 위해 개념과 연습 문제를 모아 놓은 것이에요.

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

연습 문제

더 알아보기

연습 문제는 학생이 지금까지 배운 개념을 활용하는 것을 목표로, 임의의 문제를 풀 수 있게 설계된 문제예요.

동기화된 기본 저장소: be2d006c30c50e0154231dd987d5a3b5526c0427 (업데이트는 즉시 반영돼요)

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

Test Runner

더 알아보기

솔루션을 받아 모든 테스트를 실행하고 표준화된 출력을 반환하는 단일 책임을 가진 Test Runner를 만들어요.

현재 버전: 3f0677266bdae1fa5828cde474d4d65e57f4d967 (배포에 최대 10분이 걸려요)

전체 Test Runner 실행 횟수
4,867,752
테스트 실행 통과율
17.3% (841623)
테스트 실행 실패율
38.1% (1855840)
테스트 실행 오류율
44.6% (2170289)

Representer

더 알아보기

Representer를 만들어 봐요: 풀이를 받아 정규화된 표현을 반환하는, 단 하나의 책임만 가진 작은 코드예요.

현재 버전: 0dacac5bc7ce92d4a2612ffa8eb4c7eac24d3219 (배포하는 데 최대 10분이 걸려요)

총 Representer 실행 횟수
957,905
총 표현 코멘트 수
112,199
피드백 제공 빈도
11.7%

Java 분석기 만들기: Exercism의 분석기는 제출된 풀이를 자동으로 평가하고 멘토와 같은 코멘트를 제공해요.

현재 버전: 1a09c2c7f5539c77344519ba8a7b6561ad51adde (배포하는 데 최대 10분이 걸려요)

총 분석기 실행 횟수
673,170
총 분석 코멘트 수
436,098
피드백 제공 빈도
4.3%