Spring Boot - Exception Handling
Which class should a custom unchecked exception extend in Spring Boot?
Which class should a custom unchecked exception extend in Spring Boot?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall exception hierarchy
Checked exceptions extend Exception; unchecked exceptions extend RuntimeException.Step 2: Identify unchecked exception base
For custom unchecked exceptions, extend RuntimeException to avoid mandatory try-catch.Final Answer:
java.lang.RuntimeException -> Option CQuick Check:
Unchecked exceptions extend RuntimeException [OK]
Quick Trick: Unchecked exceptions extend RuntimeException, not Exception [OK]
Common Mistakes:
- Extending Exception causes checked exception behavior
- Extending Error is for serious JVM errors, not custom exceptions
- Extending Throwable is too general and not recommended
Master "Exception Handling" in Spring Boot
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