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Coding Challenges
5,893 curated questions across every arena — browse by topic, then jump into a live 3-minute battle to put them to the test.
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9 challenges matching your filters
Clear topic filter- Multiple ChoiceIntermediate
DIP: direction of dependency arrows
architecturesoliddiphexagonal - Multiple ChoiceIntermediate
DIP and the composition root
architecturesoliddip - Multiple ChoiceBeginner
Dependency inversion at package level
dipports-and-adapterspackages - Multiple ChoiceHard
DIP at boundaries
diphexagonalports - Code AnalysisIntermediate
Coupling leak: vendor type in domain
architecturesoliddiphexagonal - Code AnalysisBeginner
Dependency inversion missing in service
architecturesoliddip - Code AnalysisIntermediate
Analyze: DIP ownership direction
diprepositoryhexagonal - Code AnalysisHard
Violated Principle: Layering Leak
layeringdipboundaries - Code AnalysisIntermediate
DIP violation via direct SDK import
dipports-and-adapterscode-analysis
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