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Which of the following is the correct syntax to use the bang method that reverses a string in Ruby?

easy📝 Syntax Q12 of 15
Ruby - Methods
Which of the following is the correct syntax to use the bang method that reverses a string in Ruby?
Astr.reverse!
Bstr.reverse
Cstr!reverse
Dreverse.str!
Step-by-Step Solution
Solution:
  1. Step 1: Recall Ruby method syntax

    Methods are called on objects using dot notation: object.method.
  2. Step 2: Identify the bang method for reversing

    The bang method for reversing a string is reverse!, so the correct call is str.reverse!.
  3. Final Answer:

    str.reverse! -> Option A
  4. Quick Check:

    Correct bang method syntax = str.reverse! [OK]
Quick Trick: Bang methods use dot notation with ! at the end [OK]
Common Mistakes:
  • Placing ! before method name
  • Using wrong method call order
  • Omitting the dot between object and method

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