You have a string str = " Ruby ". Which code snippet correctly removes leading and trailing spaces and modifies str itself?

hard📝 Application Q8 of 15

Ruby - Methods

You have a string str = " Ruby ". Which code snippet correctly removes leading and trailing spaces and modifies str itself?

Astr.strip!

Bstr.strip

Cstr.strip!()

Dstr.strip = true

Step-by-Step Solution

Solution:

Step 1: Identify method to remove spaces
The strip method removes leading and trailing spaces from a string.
Step 2: Choose method that modifies original string
The bang method strip! modifies the original string in place.
Final Answer:
str.strip! -> Option A
Quick Check:
Bang method strip! modifies original string [OK]

Quick Trick: Use strip! to change string in place [OK]

Common Mistakes:

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