[Solved] Which of the following best describes how the rescue modifier works in Ruby? — Ans: It executes the code after rescue only if an exception occurs | Ruby

Ruby - Error Handling

Which of the following best describes how the rescue modifier works in Ruby?

AIt executes the code after rescue only if an exception occurs

BIt always executes the code after rescue regardless of errors

CIt prevents the program from running any code after rescue

DIt converts exceptions into warnings

Step-by-Step Solution

Solution:

Step 1: Analyze rescue modifier behavior
The code after rescue runs only if an exception happens in the preceding expression.
Step 2: Eliminate incorrect options
It always executes the code after rescue regardless of errors is wrong because rescue code runs only on error, not always. It prevents the program from running any code after rescue and D describe unrelated behaviors.
Final Answer:
It executes the code after rescue only if an exception occurs -> Option A
Quick Check:
Rescue modifier runs fallback only on error [OK]

Quick Trick: Rescue code runs only when an error happens [OK]

Common Mistakes:

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Which of the following best describes how the rescue modifier works in Ruby?