Java 26 for Beginners — DigiPad Course

What you will learn

• Understand, verify, modify, and extend modern Java 26
• Work confidently with code from any source — human or AI
• Move between DigiPad, JShell, and the command line
• Compile and run with javac, java, Maven, and Gradle
• Predict what code does before you run it
• Debug against the compiler and the JVM instead of guessing
• Preserve your work with Git
• Explain why your code works

Try the Coach free — no signup required

Every visitor gets 100 free Coach tokens in their browser to try the OSB Coach on this Arc. That covers roughly 20 Coach interactions on the Fast tier — plenty to get a real feel for how the Coach guides you, captures your commitments, and follows up.

• Fast tier (free, default) — 5 tokens per signal. ~20 interactions on the starter allowance.
• Balanced tier — 4× cost, deeper context. Best when you're working through tough moments.
• Deep tier — 8× cost, fullest reasoning. Reserved for genuinely hard calls.

What you get when you buy

Includes 750 OSB Coach tokens credited to your account on purchase. Tokens never expire and roll over across Arcs — they're a wallet, not a subscription. Coach memory, commitments, and check-ins all flow on top.

The Coach is delivered by OSB Coach, our digitally-created coaching system. AI is the engine; the Coach is the product.

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