Practice smarter with our adaptive question bank that learns from your performance. Get personalized difficulty progression, instant feedback, and track your mastery across all 10 AP CS A units.
Built by AP CS teachers for AP CS students. Practice with confidence.
Questions automatically adjust from EASY to EXPERT based on your performance. Master fundamentals before advancing.
See your progress in real-time with detailed analytics. Know exactly which topics need more practice.
Practice questions for all 10 units: Primitives, Objects, Booleans, Loops, Classes, Arrays, ArrayLists, 2D Arrays, Inheritance, and Recursion.
Visualize your learning journey with charts, streaks, and achievements. Stay motivated with clear goals.
Read, trace, and debug real Java code. Practice exactly what you'll see on the AP exam.
Earn badges for hitting milestones. Build streaks to stay consistent. Compete with yourself.
Start practicing in three simple steps
Select any of the 10 AP CS A units. Start with Unit 1 or jump to any topic you want to practice.
Answer questions at your level. Get instant feedback with detailed explanations. Watch your difficulty progress.
See your mastery increase with each session. Build streaks. Unlock achievements. Ace the exam.