Julia

15,246 students

56 contributors

15,246
students have developed their Julia skills on Exercism.

Students

15,246

Submissions

183,547

Mentoring Discussions

3,640

The Julia track needs attention ⚠️

Building

Build

Use your knowledge to build the Julia track itself

56 contributors

Build Test Runners

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

167,906

Test Run Pass Rate

28.5% (47822)

Test Run Fail Rate

53.9% (90462)

Test Run Error Rate

17.6% (29622)

Build Analyzers

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

Next goal: Build an Analyzer. Find out more.

Build Representers

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

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 127 practice exercises. Find out more.

Usage statistics

56 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

10,337

17,643 (avg. 1.7)

8,496 (82.2%)

0 (0.0%)

Killer Sudoku Helper

1,197

4,776 (avg. 4.0)

213 (17.8%)

32 (2.7%)

Leap

6,082

18,239 (avg. 3.0)

4,075 (67.0%)

1,146 (18.8%)

Nucleotide Count

3,979

18,583 (avg. 4.7)

2,713 (68.2%)

604 (15.2%)

Pangram

2,431

11,023 (avg. 4.5)

1,853 (76.2%)

402 (16.5%)

Rotational Cipher

1,553

11,213 (avg. 7.2)

1,004 (64.6%)

250 (16.1%)

Difference of Squares

1,625

5,376 (avg. 3.3)

1,404 (86.4%)

172 (10.6%)

Raindrops

1,233

4,561 (avg. 3.7)

1,075 (87.2%)

161 (13.1%)

Secret Handshake

901

4,348 (avg. 4.8)

702 (77.9%)

136 (15.1%)

Clock

764

5,571 (avg. 7.3)

430 (56.3%)

109 (14.3%)

Robot Name

568

3,290 (avg. 5.8)

368 (64.8%)

87 (15.3%)

Darts

1,241

2,338 (avg. 1.9)

1,064 (85.7%)

25 (2.0%)

Hamming

1,661

4,080 (avg. 2.5)

1,380 (83.1%)

47 (2.8%)

RNA Transcription

1,332

3,928 (avg. 2.9)

1,124 (84.4%)

28 (2.1%)

Run-Length Encoding

971

3,936 (avg. 4.1)

689 (71.0%)

24 (2.5%)

Scrabble Score

676

2,364 (avg. 3.5)

573 (84.8%)

18 (2.7%)

Word Count

738

4,510 (avg. 6.1)

525 (71.1%)

24 (3.3%)

ETL

648

1,673 (avg. 2.6)

550 (84.9%)

18 (2.8%)

Reverse String

619

1,981 (avg. 3.2)

516 (83.4%)

12 (1.9%)

Allergies

385

1,572 (avg. 4.1)

297 (77.1%)

11 (2.9%)

Isogram

517

1,561 (avg. 3.0)

449 (86.8%)

9 (1.7%)

Anagram

709

2,169 (avg. 3.1)

557 (78.6%)

17 (2.4%)

Minesweeper

347

2,103 (avg. 6.1)

218 (62.8%)

14 (4.0%)

Binary Search

680

2,360 (avg. 3.5)

381 (56.0%)

16 (2.4%)

Atbash Cipher

498

2,042 (avg. 4.1)

385 (77.3%)

9 (1.8%)

Grains

413

2,418 (avg. 5.9)

343 (83.1%)

5 (1.2%)

Pascal's Triangle

499

1,402 (avg. 2.8)

360 (72.1%)

9 (1.8%)

Collatz Conjecture

533

1,725 (avg. 3.2)

448 (84.1%)

8 (1.5%)

Sieve

376

1,349 (avg. 3.6)

301 (80.1%)

8 (2.1%)

Luhn

412

1,837 (avg. 4.5)

304 (73.8%)

5 (1.2%)

Roman Numerals

387

1,316 (avg. 3.4)

284 (73.4%)

4 (1.0%)

ISBN Verifier

305

1,717 (avg. 5.6)

185 (60.7%)

14 (4.6%)

Trinary

353

900 (avg. 2.5)

305 (86.4%)

2 (0.6%)

Custom Set

259

1,814 (avg. 7.0)

129 (49.8%)

8 (3.1%)

Rational Numbers

256

2,539 (avg. 9.9)

120 (46.9%)

11 (4.3%)

Complex Numbers

327

1,458 (avg. 4.5)

182 (55.7%)

11 (3.4%)

Robot Simulator

303

1,397 (avg. 4.6)

196 (64.7%)

10 (3.3%)

Circular Buffer

182

1,183 (avg. 6.5)

98 (53.8%)

11 (6.0%)

Acronym

325

1,120 (avg. 3.4)

261 (80.3%)

7 (2.2%)

Armstrong Numbers

435

1,115 (avg. 2.6)

363 (83.4%)

8 (1.8%)

Gigasecond

408

629 (avg. 1.5)

329 (80.6%)

12 (2.9%)

Phone Number

481

1,382 (avg. 2.9)

375 (78.0%)

22 (4.6%)

Prime Factors

336

1,063 (avg. 3.2)

254 (75.6%)

12 (3.6%)

Triangle

535

1,448 (avg. 2.7)

428 (80.0%)

20 (3.7%)

Sum of Multiples

173

1,189 (avg. 6.9)

148 (85.5%)

13 (7.5%)

Bob

1,200

2,644 (avg. 2.2)

768 (64.0%)

44 (3.7%)

Resistor Color Trio

312

954 (avg. 3.1)

253 (81.1%)

3 (1.0%)

Perfect Numbers

287

957 (avg. 3.3)

230 (80.1%)

4 (1.4%)

Spiral Matrix

398

1,122 (avg. 2.8)

257 (64.6%)

11 (2.8%)

All Your Base

227

1,284 (avg. 5.7)

154 (67.8%)

4 (1.8%)

Matching Brackets

309

1,127 (avg. 3.6)

228 (73.8%)

11 (3.6%)

Pythagorean Triplet

428

1,597 (avg. 3.7)

302 (70.6%)

20 (4.7%)

Alphametics

116

870 (avg. 7.5)

45 (38.8%)

2 (1.7%)

Largest Series Product

146

1,124 (avg. 7.7)

129 (88.4%)

7 (4.8%)

Saddle Points

141

825 (avg. 5.9)

115 (81.6%)

8 (5.7%)

Square Root

78

266 (avg. 3.4)

53 (67.9%)

3 (3.8%)

3 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Accumulate

67

69 (avg. 1.0)

52 (77.6%)

3 (4.5%)

D&D Character

93

90 (avg. 1.0)

63 (67.7%)

1 (1.1%)

Transpose

204

224 (avg. 1.1)

120 (58.8%)

7 (3.4%)

71 unimplemented practice exercises

Affine Cipher

Bank Account

Binary Search Tree

Book Store

Bottle Song

Bowling

Change

Connect

Crypto Square

DOT DSL

Diamond

Dominoes

Error Handling

Flatten Array

Food Chain

Forth

Go Counting

Grade School

Grep

Hangman

High Scores

House

Kindergarten Garden

Knapsack

Ledger

Lens Person

Linked List

List Ops

Markdown

Matrix

Meetup

Micro Blog

Nth Prime

OCR Numbers

POV

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Pig Latin

Poker

Protein Translation

Proverb

Queen Attack

REST API

Rail Fence Cipher

React

Rectangles

Resistor Color

Resistor Color Duo

SGF Parsing

Satellite

Say

Scale Generator

Series

Simple Cipher

Simple Linked List

Space Age

State of Tic-Tac-Toe

Strain

Sublist

Tournament

Tree Building

Twelve Days

Two Bucket

Two-Fer

Variable Length Quantity

Word Search

Wordy

Yacht

Zebra Puzzle

Zipper

Volunteers

103

SaschaMann

4,992

cmcaine

4,906

tomerarnon

2,990

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