Ruby - Methods
Which of the following method names is correctly written to indicate it modifies the object in Ruby?
Which of the following method names is correctly written to indicate it modifies the object in Ruby?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the meaning of
In Ruby, methods ending with!suffix!usually modify the object or perform a 'dangerous' action.Step 2: Identify the method that modifies the object
delete!clearly indicates modification, whiledeletemay not, anddelete?suggests a boolean check.Final Answer:
delete! -> Option BQuick Check:
Modification methods end with ! = delete! [OK]
Quick Trick: Use ! for methods that change the object [OK]
Common Mistakes:
- Using ? instead of ! for modifying methods
- Not adding ! for dangerous methods
- Confusing method names without suffixes
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