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Why do Ruby programs use rescue in error handling?

easy📝 Conceptual Q11 of 15
Ruby - Error Handling
Why do Ruby programs use rescue in error handling?
ATo make the code shorter
BTo speed up the program execution
CTo catch errors and prevent the program from crashing
DTo automatically fix all errors
Step-by-Step Solution
Solution:
  1. Step 1: Understand the purpose of rescue

    rescue is used to catch errors that happen during program execution.
  2. Step 2: Recognize the benefit of catching errors

    Catching errors prevents the program from crashing and allows it to handle problems gracefully.
  3. Final Answer:

    To catch errors and prevent the program from crashing -> Option C
  4. Quick Check:

    rescue catches errors = C [OK]
Quick Trick: Remember: rescue stops crashes by catching errors [OK]
Common Mistakes:
  • Thinking rescue speeds up code
  • Believing rescue fixes errors automatically
  • Confusing rescue with code shortening

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