618
students have developed their jq skills on Exercism.

Students
618
Submissions
8,958
Mentoring Discussions
12

The jq track needs attention ⚠️

Building

Build

Use your knowledge to build the jq track itself

Create the jq syllabus

Learn More

Help create the track syllabus: is a set of concepts and learning exercises put together to teach foundational elements of the programming language.

Next goal: Create a complete syllabus with at least 20 concepts. Find out more.

Usage statistics

12 concepts being taught
Ba
Basics
140 learnt
Nu
Numbers
97 learnt
St
Strings
92 learnt
Ar
Arrays
67 learnt
Ob
Objects
54 learnt
Va
Variables
48 learnt
Co
Compare
43 learnt
Co
Conditionals
43 learnt
Fu
Functions
40 learnt
Re
Reduce
33 learnt
Re
Recursion
31 learnt
Re
Regular Expressions
38 learnt
11 active learning exercises
Started
Attempts
Completions
Mentoring requests
Shopping List Shopping List
254
2,991 (avg. 11.8)
140 (55.1%)
5 (2.0%)
Assembly Line Assembly Line
104
400 (avg. 3.8)
97 (93.3%)
0 (0.0%)
Log Line Parser Log Line Parser
105
530 (avg. 5.0)
92 (87.6%)
0 (0.0%)
Bird Count Bird Count
69
297 (avg. 4.3)
67 (97.1%)
0 (0.0%)
High Score Board High Score Board
58
495 (avg. 8.5)
54 (93.1%)
0 (0.0%)
Lasagna Lasagna
50
307 (avg. 6.1)
48 (96.0%)
1 (2.0%)
Vehicle Purchase Vehicle Purchase
47
181 (avg. 3.9)
43 (91.5%)
0 (0.0%)
Remote Control Car Remote Control Car
45
227 (avg. 5.0)
40 (88.9%)
0 (0.0%)
Grade Stats Grade Stats
38
117 (avg. 3.1)
33 (86.8%)
0 (0.0%)
Recursive Functions Recursive Functions
33
120 (avg. 3.6)
31 (93.9%)
0 (0.0%)
Regular Chatbot Regular Chatbot
42
421 (avg. 10.0)
38 (90.5%)
0 (0.0%)

Build Test Runners

Learn More

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

Usage statistics

Total Test Runner Runs
8,946
Test Run Pass Rate
27.6% (2470)
Test Run Fail Rate
71.9% (6429)
Test Run Error Rate
0.5% (47)

Build Analyzers

Learn More

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

Next goal: Build an Analyzer. Find out more.

Build Representers

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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.

Create Practice Exercises

Learn More

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.

Next goal: Implement at least 40 practice exercises. Find out more.

Usage statistics

35 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
393
594 (avg. 1.5)
328 (83.5%)
0 (0.0%)
Two Fer Two Fer
61
159 (avg. 2.6)
60 (98.4%)
0 (0.0%)
Raindrops Raindrops
47
258 (avg. 5.5)
39 (83.0%)
0 (0.0%)
Leap Leap
40
86 (avg. 2.2)
38 (95.0%)
0 (0.0%)
Rna Transcription Rna Transcription
24
44 (avg. 1.8)
23 (95.8%)
0 (0.0%)
Darts Darts
34
74 (avg. 2.2)
30 (88.2%)
0 (0.0%)
Resistor Color Resistor Color
35
65 (avg. 1.9)
31 (88.6%)
0 (0.0%)
Resistor Color Duo Resistor Color Duo
30
78 (avg. 2.6)
29 (96.7%)
1 (3.3%)
Reverse String Reverse String
58
165 (avg. 2.8)
56 (96.6%)
1 (1.7%)
Hamming Hamming
47
287 (avg. 6.1)
40 (85.1%)
2 (4.3%)
Collatz Conjecture Collatz Conjecture
32
182 (avg. 5.7)
31 (96.9%)
0 (0.0%)
Bob Bob
26
65 (avg. 2.5)
24 (92.3%)
1 (3.8%)
Nucleotide Count Nucleotide Count
24
70 (avg. 2.9)
22 (91.7%)
0 (0.0%)
Scrabble Score Scrabble Score
22
40 (avg. 1.8)
20 (90.9%)
0 (0.0%)
Space Age Space Age
18
28 (avg. 1.6)
16 (88.9%)
0 (0.0%)
Isogram Isogram
17
42 (avg. 2.5)
16 (94.1%)
0 (0.0%)
ETL ETL
21
69 (avg. 3.3)
19 (90.5%)
0 (0.0%)
Resistor Color Trio Resistor Color Trio
24
71 (avg. 3.0)
19 (79.2%)
1 (4.2%)
Gigasecond Gigasecond
20
83 (avg. 4.2)
19 (95.0%)
0 (0.0%)
Proverb Proverb
21
58 (avg. 2.8)
18 (85.7%)
1 (4.8%)
Run Length Encoding Run Length Encoding
21
30 (avg. 1.4)
13 (61.9%)
0 (0.0%)
Anagram Anagram
17
42 (avg. 2.5)
16 (94.1%)
0 (0.0%)
Transpose Transpose
17
39 (avg. 2.3)
13 (76.5%)
0 (0.0%)
Protein Translation Protein Translation
15
21 (avg. 1.4)
12 (80.0%)
0 (0.0%)
Beer Song Beer Song
14
20 (avg. 1.4)
11 (78.6%)
0 (0.0%)
Square Root Square Root
15
38 (avg. 2.5)
11 (73.3%)
0 (0.0%)
Sieve Sieve
14
25 (avg. 1.8)
11 (78.6%)
0 (0.0%)
Atbash Cipher Atbash Cipher
13
25 (avg. 1.9)
10 (76.9%)
0 (0.0%)
Meetup Meetup
12
33 (avg. 2.8)
9 (75.0%)
0 (0.0%)
Nth Prime Nth Prime
11
19 (avg. 1.7)
8 (72.7%)
0 (0.0%)
Satellite Satellite
14
32 (avg. 2.3)
9 (64.3%)
0 (0.0%)
Knapsack Knapsack
8
8 (avg. 1.0)
6 (75.0%)
0 (0.0%)
Two Bucket Two Bucket
10
10 (avg. 1.0)
7 (70.0%)
0 (0.0%)
Forth Forth
7
6 (avg. 0.9)
5 (71.4%)
0 (0.0%)
Zebra Puzzle Zebra Puzzle
9
6 (avg. 0.7)
4 (44.4%)
0 (0.0%)
80 unimplemented practice exercises
Acronym Acronym
Affine Cipher Affine Cipher
All Your Base All Your Base
Alphametics Alphametics
Armstrong Numbers Armstrong Numbers
Binary Search Binary Search
Binary Search Tree Binary Search Tree
Book Store Book Store
Bottle Song Bottle Song
Bowling Bowling
Change Change
Circular Buffer Circular Buffer
Clock Clock
Complex Numbers Complex Numbers
Connect Connect
Crypto Square Crypto Square
Custom Set Custom Set
DOT DSL DOT DSL
Diamond Diamond
Difference of Squares Difference of Squares
Dominoes Dominoes
Error Handling Error Handling
Flatten Array Flatten Array
Food Chain Food Chain
Go Counting Go Counting
Grade School Grade School
High Scores High Scores
House House
ISBN Verifier ISBN Verifier
Killer Sudoku Helper Killer Sudoku Helper
Kindergarten Garden Kindergarten Garden
Largest Series Product Largest Series Product
Lens Person Lens Person
Linked List Linked List
List Ops List Ops
Luhn Luhn
Matching Brackets Matching Brackets
Matrix Matrix
Micro Blog Micro Blog
Minesweeper Minesweeper
OCR Numbers OCR Numbers
POV POV
Palindrome Products Palindrome Products
Pangram Pangram
Pascal's Triangle Pascal's Triangle
Perfect Numbers Perfect Numbers
Phone Number Phone Number
Pig Latin Pig Latin
Poker Poker
Prime Factors Prime Factors
Pythagorean Triplet Pythagorean Triplet
Queen Attack Queen Attack
REST API REST API
Rail Fence Cipher Rail Fence Cipher
Rational Numbers Rational Numbers
React React
Rectangles Rectangles
Robot Simulator Robot Simulator
Roman Numerals Roman Numerals
Rotational Cipher Rotational Cipher
SGF Parsing SGF Parsing
Saddle Points Saddle Points
Say Say
Scale Generator Scale Generator
Series Series
Simple Cipher Simple Cipher
Simple Linked List Simple Linked List
Spiral Matrix Spiral Matrix
State of Tic-Tac-Toe State of Tic-Tac-Toe
Strain Strain
Sublist Sublist
Sum of Multiples Sum of Multiples
Tournament Tournament
Triangle Triangle
Twelve Days Twelve Days
Word Count Word Count
Word Search Word Search
Wordy Wordy
Yacht Yacht
Zipper Zipper
14 foregone practice exercises
Allergies Allergies
Bank Account Bank Account
D&D Character D&D Character
Grains Grains
Grep Grep
Hangman Hangman
Ledger Ledger
Markdown Markdown
PaaS I/O PaaS I/O
Parallel Letter Frequency Parallel Letter Frequency
Robot Name Robot Name
Secret Handshake Secret Handshake
Tree Building Tree Building
Variable Length Quantity Variable Length Quantity