← Exit to Module 8: Exception Handling and Debugging lessons
Module progress · 0%Lesson · 20 min
Module 8: Exception Handling and Debugging
Lesson focusCreating Custom Exceptions
Model domain-specific failures with meaningful exception types and metadata.
01 · 18 minException Hierarchy & CategoriesLocked02 · 16 minTry/Catch/Finally MechanicsLocked03 · 15 minTry-with-Resources & AutoCloseableLocked04 · 20 minCreating Custom ExceptionsLocked05 · 18 minException Handling Best PracticesLocked06 · 20 minReading Stack Traces & DebuggingLocked07 · 14 minIntro to Logging FrameworksLocked08 · 30 minMini-Project: Resilient File ReaderLocked
Extend Exception (checked) or RuntimeException (unchecked) depending on caller expectations.
Include contextual fields (e.g., orderId) and override toString for more actionable logs.
Document recovery expectations: when should callers retry, notify users, or escalate?