Ruby - Error Handling
You want to catch all exceptions except system-exiting ones like SystemExit and Interrupt. Which class should you rescue to catch most errors but allow system exits?
You want to catch all exceptions except system-exiting ones like SystemExit and Interrupt. Which class should you rescue to catch most errors but allow system exits?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand exception classes for system exit
Classes likeSystemExitandInterruptinherit directly fromException, notStandardError.Step 2: Choose rescue class to exclude system exits
RescuingStandardErrorcatches most runtime errors but excludes system-exiting exceptions.Step 3: Confirm other options
RescuingExceptioncatches everything including system exits, which is usually not desired.Final Answer:
StandardError -> Option AQuick Check:
Rescue StandardError to exclude system exits [OK]
Quick Trick: Rescue StandardError to avoid catching system exits [OK]
Common Mistakes:
- Rescuing Exception catches system exits too
- Choosing RuntimeError misses some errors
- Confusing NoMethodError as base class
Master "Error Handling" in Ruby
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Ruby Quizzes