CodingBat

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About

CodingBat is ranked #12 of 30 in coding challenge platforms on Inferse. It runs on Web. There is a free plan.

Compared on coding challenge platforms

Free plan: Yescodingbat.com
Primary use: practicecodingbat.com
Languages supported: Java, Pythoncodingbat.com
Solution explanations: Yescodingbat.com
Custom challenges: Yescodingbat.com

Facts

Purpose: CodingBat is a free site of live coding problems for building Java and Python coding skill.codingbat.com · 1 Oct 2026
Feedback: Users type code into a browser text area and click Go to save, compile, run, and see results immediately.codingbat.com · 1 Oct 2026
Installation: The site is designed with nothing to install and works in the browser.codingbat.com · 1 Oct 2026
Use cases: CodingBat says its problems work for homework, self-study, labs, and live lecture examples.codingbat.com · 1 Oct 2026
Problem progression: Problems in each section become harder toward the end of the section.codingbat.com · 1 Oct 2026
Hints and solutions: Some problems provide hints or solution code, and all Warmup sections have solution code available.codingbat.com · 1 Oct 2026
Accounts: Accounts save code and checkmarks, while unauthenticated work is forgotten after a session ends following two hours without activity.codingbat.com · 1 Oct 2026
Progress tracking: Each account has a done page listing completed problems, and CodingBat provides progress graphs and code badges.codingbat.com · 1 Oct 2026
Teacher sharing: Accounts can share information with a teacher account, whose report lists students and their completed-problem counts.codingbat.com · 1 Oct 2026
Custom content: Users can create custom pages and custom Java or Python problems with CodingBat's authoring feature.codingbat.com · 1 Oct 2026
Privacy: CodingBat says it does not send marketing email, sell contact information for marketing, or publicly identify users.codingbat.com · 1 Oct 2026
Data use: CodingBat collects regular web-server logs and may use submitted code and data for research into teaching technology.codingbat.com · 1 Oct 2026
Cookies: CodingBat uses cookies to maintain login sessions and says it does not use third-party cookies.codingbat.com · 1 Oct 2026
Support: The site asks users to email [email protected] with bug reports or suggestions.codingbat.com · 1 Oct 2026