Module · clean-core-curriculum §1 · Foundations
Clean Core Foundations
The shared vocabulary the whole course rests on: what Clean Core (keeping SAP's standard untouched and building beside it, so upgrades stay easy) actually means and why it lowers upgrade cost and risk. Covers the extensibility approaches (key-user / developer / side-by-side) and the Aug-2025 clean-core compliance levels A–D, Restricted ABAP, the C0–C3 release contracts, and the software-component boundary — the mental model the rest of the academy builds on.
Learning objectives
- Explain Clean Core as a contract about where extensions sit — not a ban on custom code.
- Place any object in the right extensibility tier (key-user / developer / side-by-side).
- Describe what Restricted ABAP forbids and why compile-time enforcement matters.
- Read an object's API State and classify it C0 / C1 / C2 / C3.
- Reason about the software-component boundary and released interfaces.
Lesson map
Mastery loads after hydration
Click a node to jump to that lesson. Colours track your mastery — neutral · below 60% · passing · strong.
Flashcards · 30 cards
Tap a card or press Enter to flip. Spaced repetition lands with Flashcard Battle (PR4).
Apply this section
Real-world tasks that close the loop between reading and doing. A section isn't complete until you've tried at least one of these in your own context.
Diagram the core idea
Analyse~10 minIn your own words, diagram the central idea of "What Clean Core actually means". Aim for one paragraph, no jargon you haven't earned.
Done when: A non-expert could read your paragraph and explain it back to you.
Translate it to a real situation
Apply~15 minFind a real situation from your own work / life where "The software-component boundary" applies. Translate the idea — describe the situation, the move you'd make, and the alternative you considered first.
Done when: You can name a specific situation (not a hypothetical), state your move, and explain the trade-off in one paragraph.
Teach it back
Evaluate~5 minPick someone (a colleague, a peer, a rubber duck) and explain the section to them in under 5 minutes. Use your own example, not the one from the lesson.
Done when: Your listener can repeat the core idea + the trade-off back to you without prompting.
Why this matters. Reading + quizzing prove recall; applying it in a real situation is the only evidence of transfer. Treat at least one of these as non-negotiable before you move on.
Mini-games
These mini-games unlock as we ship them — Time Trivia next.
Time Trivia
10 questions, 15 seconds each. Cumulative score with streak bonus. Reinforces speed under exam pressure.
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Flashcard Battle
Self-paced battle through the section's flashcards. Hard / Good / Easy keeps the right cards in front of you.
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Concept Match
Match each technical term with its definition. Timer + score reward speed and accuracy on exam vocabulary.
Domain Rush
Concepts appear one by one — classify each into the right Clean Core area. 5 levels, mastery-graded.
Complete the Code
Real ABAP snippets with missing pieces. Pick the correct value to reinforce exact Clean Core syntax.
Interactive Scenarios
Make decisions in real-world scenarios — which extension tier, which released API, how to refactor safely. Mirrors real Clean Core calls.