Groovy Track Management

This page provides the Exercism community with the information and tools needed to manage the Groovy track.

Students
3,295
Submissions
33,648
Mentoring Discussions
631

The Groovy track needs attention ⚠️

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Practice Exercises

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Practice Exercises are exercises designed to allow students to solve an arbitrary problem, with the aim of them making use of the concepts they have learned so far.

Synced primary repo: c1d7137a7451c6ceb1b41cb607ad2019123ebf3c (Updates should be instant)

Next goal: Implement 130 practice exercises. Find out more.
63 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
2,013
5,236 (avg. 2.6)
1,419 (70.5%)
1 (0.0%)
Accumulate Accumulate
229
737 (avg. 3.2)
146 (63.8%)
3 (1.3%)
Acronym Acronym
153
782 (avg. 5.1)
112 (73.2%)
6 (3.9%)
Armstrong Numbers Armstrong Numbers
137
469 (avg. 3.4)
108 (78.8%)
4 (2.9%)
Darts Darts
167
404 (avg. 2.4)
131 (78.4%)
2 (1.2%)
Difference of Squares Difference of Squares
247
1,079 (avg. 4.4)
203 (82.2%)
30 (12.1%)
Hamming Hamming
544
3,001 (avg. 5.5)
377 (69.3%)
79 (14.5%)
High Scores High Scores
98
435 (avg. 4.4)
78 (79.6%)
0 (0.0%)
Leap Leap
155
361 (avg. 2.3)
136 (87.7%)
0 (0.0%)
Pangram Pangram
111
439 (avg. 4.0)
93 (83.8%)
3 (2.7%)
Perfect Numbers Perfect Numbers
73
502 (avg. 6.9)
61 (83.6%)
1 (1.4%)
Protein Translation Protein Translation
113
328 (avg. 2.9)
91 (80.5%)
0 (0.0%)
Queen Attack Queen Attack
39
179 (avg. 4.6)
37 (94.9%)
0 (0.0%)
Raindrops Raindrops
326
688 (avg. 2.1)
250 (76.7%)
16 (4.9%)
Resistor Color Resistor Color
143
468 (avg. 3.3)
116 (81.1%)
3 (2.1%)
Resistor Color Duo Resistor Color Duo
96
272 (avg. 2.8)
83 (86.5%)
0 (0.0%)
Resistor Color Trio Resistor Color Trio
85
210 (avg. 2.5)
62 (72.9%)
0 (0.0%)
Reverse String Reverse String
192
266 (avg. 1.4)
168 (87.5%)
3 (1.6%)
RNA Transcription RNA Transcription
114
213 (avg. 1.9)
100 (87.7%)
4 (3.5%)
Robot Name Robot Name
121
368 (avg. 3.0)
90 (74.4%)
14 (11.6%)
Scrabble Score Scrabble Score
254
1,199 (avg. 4.7)
194 (76.4%)
38 (15.0%)
Secret Handshake Secret Handshake
142
628 (avg. 4.4)
115 (81.0%)
27 (19.0%)
Space Age Space Age
89
320 (avg. 3.6)
75 (84.3%)
1 (1.1%)
Strain Strain
86
237 (avg. 2.8)
75 (87.2%)
0 (0.0%)
Two Fer Two Fer
860
4,022 (avg. 4.7)
543 (63.1%)
153 (17.8%)
Word Count Word Count
131
673 (avg. 5.1)
97 (74.0%)
16 (12.2%)
All Your Base All Your Base
122
1,160 (avg. 9.5)
105 (86.1%)
1 (0.8%)
Allergies Allergies
65
285 (avg. 4.4)
54 (83.1%)
0 (0.0%)
Anagram Anagram
144
344 (avg. 2.4)
112 (77.8%)
6 (4.2%)
Atbash Cipher Atbash Cipher
44
130 (avg. 3.0)
40 (90.9%)
0 (0.0%)
Bank Account Bank Account
79
539 (avg. 6.8)
59 (74.7%)
14 (17.7%)
Binary Search Binary Search
72
204 (avg. 2.8)
61 (84.7%)
14 (19.4%)
Bob Bob
83
390 (avg. 4.7)
64 (77.1%)
2 (2.4%)
Collatz Conjecture Collatz Conjecture
53
161 (avg. 3.0)
46 (86.8%)
0 (0.0%)
D&D Character D&D Character
32
185 (avg. 5.8)
30 (93.8%)
0 (0.0%)
ETL ETL
54
147 (avg. 2.7)
46 (85.2%)
2 (3.7%)
Flatten Array Flatten Array
116
321 (avg. 2.8)
100 (86.2%)
19 (16.4%)
Gigasecond Gigasecond
267
1,138 (avg. 4.3)
180 (67.4%)
49 (18.4%)
Grains Grains
77
189 (avg. 2.5)
65 (84.4%)
2 (2.6%)
ISBN Verifier ISBN Verifier
66
197 (avg. 3.0)
50 (75.8%)
1 (1.5%)
Isogram Isogram
177
383 (avg. 2.2)
141 (79.7%)
9 (5.1%)
Linked List Linked List
73
125 (avg. 1.7)
56 (76.7%)
14 (19.2%)
Luhn Luhn
67
203 (avg. 3.0)
52 (77.6%)
1 (1.5%)
Matching Brackets Matching Brackets
63
255 (avg. 4.0)
45 (71.4%)
0 (0.0%)
Matrix Matrix
113
357 (avg. 3.2)
87 (77.0%)
28 (24.8%)
Nth Prime Nth Prime
64
214 (avg. 3.3)
51 (79.7%)
1 (1.6%)
Nucleotide Count Nucleotide Count
57
129 (avg. 2.3)
52 (91.2%)
0 (0.0%)
Phone Number Phone Number
77
189 (avg. 2.5)
56 (72.7%)
1 (1.3%)
Prime Factors Prime Factors
46
124 (avg. 2.7)
39 (84.8%)
0 (0.0%)
Proverb Proverb
77
153 (avg. 2.0)
68 (88.3%)
1 (1.3%)
Roman Numerals Roman Numerals
69
204 (avg. 3.0)
56 (81.2%)
1 (1.4%)
Rotational Cipher Rotational Cipher
93
312 (avg. 3.4)
80 (86.0%)
23 (24.7%)
Run-Length Encoding Run-Length Encoding
65
247 (avg. 3.8)
58 (89.2%)
0 (0.0%)
Saddle Points Saddle Points
70
223 (avg. 3.2)
58 (82.9%)
20 (28.6%)
Series Series
57
184 (avg. 3.2)
50 (87.7%)
0 (0.0%)
Sum of Multiples Sum of Multiples
56
203 (avg. 3.6)
47 (83.9%)
0 (0.0%)
Triangle Triangle
115
472 (avg. 4.1)
92 (80.0%)
26 (22.6%)
Robot Simulator Robot Simulator
9
21 (avg. 2.3)
6 (66.7%)
0 (0.0%)
Circular Buffer Circular Buffer
106
608 (avg. 5.7)
98 (92.5%)
1 (0.9%)
List Ops List Ops
10
99 (avg. 9.9)
7 (70.0%)
0 (0.0%)
Sieve Sieve
5
11 (avg. 2.2)
5 (100.0%)
0 (0.0%)
Eliud's Eggs Eliud's Eggs
8
20 (avg. 2.5)
7 (87.5%)
0 (0.0%)
Square Root Square Root
5
6 (avg. 1.2)
4 (80.0%)
0 (0.0%)
67 unimplemented practice exercises
Affine Cipher Affine Cipher
Alphametics Alphametics
Binary Search Tree Binary Search Tree
Book Store Book Store
Bottle Song Bottle Song
Bowling Bowling
Change Change
Clock Clock
Complex Numbers Complex Numbers
Connect Connect
Conway's Game of Life Conway's Game of Life
Crypto Square Crypto Square
Custom Set Custom Set
Diamond Diamond
Dominoes Dominoes
DOT DSL DOT DSL
Error Handling Error Handling
Food Chain Food Chain
Forth Forth
Go Counting Go Counting
Grade School Grade School
Grep Grep
Hangman Hangman
House House
Killer Sudoku Helper Killer Sudoku Helper
Kindergarten Garden Kindergarten Garden
Knapsack Knapsack
Largest Series Product Largest Series Product
Ledger Ledger
Lens Person Lens Person
Markdown Markdown
Meetup Meetup
Micro Blog Micro Blog
Minesweeper Minesweeper
OCR Numbers OCR Numbers
PaaS I/O PaaS I/O
Palindrome Products Palindrome Products
Parallel Letter Frequency Parallel Letter Frequency
Pascal's Triangle Pascal's Triangle
Pig Latin Pig Latin
Poker Poker
POV POV
Pythagorean Triplet Pythagorean Triplet
Rail Fence Cipher Rail Fence Cipher
Rational Numbers Rational Numbers
React React
Rectangles Rectangles
REST API REST API
Satellite Satellite
Say Say
SGF Parsing SGF Parsing
Simple Cipher Simple Cipher
Simple Linked List Simple Linked List
Spiral Matrix Spiral Matrix
State of Tic-Tac-Toe State of Tic-Tac-Toe
Sublist Sublist
Tournament Tournament
Transpose Transpose
Tree Building Tree Building
Twelve Days Twelve Days
Two Bucket Two Bucket
Variable Length Quantity Variable Length Quantity
Word Search Word Search
Wordy Wordy
Yacht Yacht
Zebra Puzzle Zebra Puzzle
Zipper Zipper

Programming Tags

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Help manage the tags used to group, filter and recommend solutions, approaches and articles.

0 tags

Test Runner

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Create Test Runners that have the single responsibility of taking a solution, running all tests and returning a standardized output.

Current version: e8aed0f6c700d96410d1465c5bab6e0ffd10fcc7 (Takes up to 10 mins to deploy)

Next goal: Get Test Runners to Version 2. Groovy is currently utilising a Version 1 Test Runner. Find out more.
Total Test Runner Runs
31,388
Test Run Pass Rate
26.6% (8363)
Test Run Fail Rate
62.5% (19633)
Test Run Error Rate
10.8% (3392)

Representer

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Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Next goal: Build a Representer. Find out more.

Analyzer

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Build an Analyzer for Groovy: Exercism's analyzers automatically assess student's submissions and provide mentor-style commentary.

Next goal: Build an Analyzer. Find out more.