Learn AP CSA in 30 Weeks!

Want to learn AP Computer Science A and prepare for the AP CSA exam? Join us for a free 30-week AP CSA lecture series designed to guide you through the course content step-by-step while giving you plenty of opportunities to practice what you learn!

Starting Monday, September 21, a new lecture will be posted every Monday. Each week will focus on important AP CSA concepts and Java programming skills, building throughout the series as you work toward being prepared for the AP exam.

Video Lecture Series Learning Content

The Destination for Beginners, Students, and Teachers of Java

Why Java?

Learner's Corner

Teacher's Corner

Try out Modern Java Now

The Java Playground allows you to run snippets of program code to see the results. The way the Java Playground works, no class or main method is required. Just hit run below!

Learning Java Has Never Been Easier

Videos to get you started

AP CSA in 30 Week: Week 2 - Topics 1.5 to 1.6

In this week's lecture, we continue Unit 1 by covering AP CSA Topics 1.5 and 1.6, casting and compound operators.

AP CSA in 30 Weeks(2026) | Week 3 | Topics 1.7 and 1.8 | Java Libraries, APIs and Comments

In this week’s lecture, we cover AP CSA Topics 1.7 and 1.8, focusing on APIs, libraries, and documentation.

Java Enums Explained: What They Are and How to Create Them

In this video, you’ll get a beginner-friendly introduction to enums in Java.

Java Enums: Constructors and Methods Explained

In this video, we expand on the basics of enums and explore how they can contain their own data and behaviors!