Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>Users>koen
developer avatar
koen
Contribution
0Contributions
0Contributions played
Tests
4Tests completed
71Questions completed
or
Attended tests
Javascript
5% questions validées
1 test sessionLast activity : Jul 31, 2026
HTML5
7% questions validées
2 test sessionsLast activity : Feb 13, 2023
PHP
2% questions validées
1 test sessionLast activity : May 30, 2022
Informations
Profession : OtherFavorite technologies

Daily Challenge

31 July 2026
One question per day to improve your general code knowledge!
Today :Java and Craftsmanship #11/24
Back-end
Java
Java and Craftsmanship
daily challenge
Leaderboard
1.
developer avatar
Amaury Calleja160 points
2.
developer avatar
Samuel160 points
3.
developer avatar
Xavier Cloarec150 points
4.
developer avatar
Bastien PELLETIER-GARNIER130 points
5.
developer avatar
Evan MULUMBA110 points
101.
developer avatar
koen (You)0 points
Last leaderboard calculation: on 31 Jul 2026 at 06:42:52