Groovy Track Management

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

Students
3,204
Submissions
30,607
Mentoring Discussions
629

The Groovy track needs attention ⚠️

Building

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: ff9f315b185994510592108fd5d4b96185bad91e (Updates should be instant)

Next goal: Implement 129 practice exercises. Find out more.
61 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
1,916
5,006 (avg. 2.6)
1,350 (70.5%)
1 (0.1%)
Accumulate Accumulate
189
615 (avg. 3.3)
122 (64.6%)
2 (1.1%)
Acronym Acronym
130
526 (avg. 4.0)
95 (73.1%)
5 (3.8%)
Armstrong Numbers Armstrong Numbers
120
390 (avg. 3.3)
93 (77.5%)
4 (3.3%)
Darts Darts
151
323 (avg. 2.1)
118 (78.1%)
2 (1.3%)
Difference of Squares Difference of Squares
233
1,002 (avg. 4.3)
190 (81.5%)
30 (12.9%)
Hamming Hamming
535
2,894 (avg. 5.4)
369 (69.0%)
79 (14.8%)
High Scores High Scores
87
364 (avg. 4.2)
67 (77.0%)
0 (0.0%)
Leap Leap
142
287 (avg. 2.0)
124 (87.3%)
0 (0.0%)
Pangram Pangram
98
356 (avg. 3.6)
80 (81.6%)
3 (3.1%)
Perfect Numbers Perfect Numbers
63
329 (avg. 5.2)
53 (84.1%)
1 (1.6%)
Protein Translation Protein Translation
105
260 (avg. 2.5)
85 (81.0%)
0 (0.0%)
Queen Attack Queen Attack
34
151 (avg. 4.4)
33 (97.1%)
0 (0.0%)
Raindrops Raindrops
319
654 (avg. 2.1)
244 (76.5%)
16 (5.0%)
Resistor Color Resistor Color
137
457 (avg. 3.3)
111 (81.0%)
3 (2.2%)
Resistor Color Duo Resistor Color Duo
91
258 (avg. 2.8)
78 (85.7%)
0 (0.0%)
Resistor Color Trio Resistor Color Trio
81
198 (avg. 2.4)
58 (71.6%)
0 (0.0%)
Reverse String Reverse String
184
258 (avg. 1.4)
160 (87.0%)
3 (1.6%)
RNA Transcription RNA Transcription
107
184 (avg. 1.7)
93 (86.9%)
4 (3.7%)
Robot Name Robot Name
117
347 (avg. 3.0)
86 (73.5%)
14 (12.0%)
Scrabble Score Scrabble Score
245
1,159 (avg. 4.7)
186 (75.9%)
38 (15.5%)
Secret Handshake Secret Handshake
139
625 (avg. 4.5)
113 (81.3%)
27 (19.4%)
Space Age Space Age
85
306 (avg. 3.6)
71 (83.5%)
1 (1.2%)
Strain Strain
81
192 (avg. 2.4)
70 (86.4%)
0 (0.0%)
Two Fer Two Fer
856
4,006 (avg. 4.7)
539 (63.0%)
153 (17.9%)
Word Count Word Count
128
661 (avg. 5.2)
95 (74.2%)
16 (12.5%)
All Your Base All Your Base
67
445 (avg. 6.6)
57 (85.1%)
1 (1.5%)
Allergies Allergies
61
225 (avg. 3.7)
50 (82.0%)
0 (0.0%)
Anagram Anagram
139
334 (avg. 2.4)
107 (77.0%)
6 (4.3%)
Atbash Cipher Atbash Cipher
40
114 (avg. 2.9)
36 (90.0%)
0 (0.0%)
Bank Account Bank Account
75
521 (avg. 6.9)
56 (74.7%)
14 (18.7%)
Binary Search Binary Search
69
196 (avg. 2.8)
59 (85.5%)
13 (18.8%)
Bob Bob
80
354 (avg. 4.4)
61 (76.3%)
2 (2.5%)
Collatz Conjecture Collatz Conjecture
49
149 (avg. 3.0)
42 (85.7%)
0 (0.0%)
D&D Character D&D Character
28
173 (avg. 6.2)
27 (96.4%)
0 (0.0%)
ETL ETL
51
123 (avg. 2.4)
43 (84.3%)
1 (2.0%)
Flatten Array Flatten Array
114
316 (avg. 2.8)
98 (86.0%)
19 (16.7%)
Gigasecond Gigasecond
265
1,131 (avg. 4.3)
178 (67.2%)
49 (18.5%)
Grains Grains
73
175 (avg. 2.4)
61 (83.6%)
2 (2.7%)
ISBN Verifier ISBN Verifier
63
193 (avg. 3.1)
47 (74.6%)
1 (1.6%)
Isogram Isogram
174
363 (avg. 2.1)
138 (79.3%)
9 (5.2%)
Linked List Linked List
72
122 (avg. 1.7)
55 (76.4%)
14 (19.4%)
Luhn Luhn
62
179 (avg. 2.9)
48 (77.4%)
1 (1.6%)
Matching Brackets Matching Brackets
61
233 (avg. 3.8)
43 (70.5%)
0 (0.0%)
Matrix Matrix
112
355 (avg. 3.2)
86 (76.8%)
28 (25.0%)
Nth Prime Nth Prime
62
208 (avg. 3.4)
49 (79.0%)
1 (1.6%)
Nucleotide Count Nucleotide Count
54
117 (avg. 2.2)
50 (92.6%)
0 (0.0%)
Phone Number Phone Number
74
165 (avg. 2.2)
54 (73.0%)
1 (1.4%)
Prime Factors Prime Factors
45
122 (avg. 2.7)
38 (84.4%)
0 (0.0%)
Proverb Proverb
75
147 (avg. 2.0)
66 (88.0%)
1 (1.3%)
Roman Numerals Roman Numerals
66
192 (avg. 2.9)
53 (80.3%)
1 (1.5%)
Rotational Cipher Rotational Cipher
91
309 (avg. 3.4)
78 (85.7%)
23 (25.3%)
Run-Length Encoding Run-Length Encoding
63
244 (avg. 3.9)
56 (88.9%)
0 (0.0%)
Saddle Points Saddle Points
69
221 (avg. 3.2)
57 (82.6%)
20 (29.0%)
Series Series
56
181 (avg. 3.2)
49 (87.5%)
0 (0.0%)
Sum of Multiples Sum of Multiples
54
191 (avg. 3.5)
45 (83.3%)
0 (0.0%)
Triangle Triangle
114
470 (avg. 4.1)
91 (79.8%)
26 (22.8%)
Robot Simulator Robot Simulator
6
8 (avg. 1.3)
3 (50.0%)
0 (0.0%)
Circular Buffer Circular Buffer
88
514 (avg. 5.8)
81 (92.0%)
1 (1.1%)
List Ops List Ops
3
9 (avg. 3.0)
1 (33.3%)
0 (0.0%)
Sieve Sieve
1
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)
68 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
Crypto Square Crypto Square
Custom Set Custom Set
Diamond Diamond
Dominoes Dominoes
DOT DSL DOT DSL
Eliud's Eggs Eliud's Eggs
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
Square Root Square Root
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
28,396
Test Run Pass Rate
26.9% (7646)
Test Run Fail Rate
62.8% (17828)
Test Run Error Rate
10.3% (2922)

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.