Javaly

A web-based platform for authoring and automatically grading programming problems written in Java

Features

• Question authoring with support for writing test cases or creating them through the GUI
• Instructors can create groups for their students to join, and push exercises to them
• See an overview of your student's progress as they code in real time!
• See overall statistics of their solve timings to identify students who need help
• New: Nudge students who are performing poorly by automatically sending an email to the bottom x percentile
• New: History Mode that allows you to step through each code submission that a student makes, and understand their thought process

Technical notes

• Untrusted code is compiled and executed within isolated Docker containers
• Horizontal scaling of code execution step implemented using job queues on Redis