[Solved] Find the error in this Ruby code:str = " Hello " puts str.strip.upcase() — Ans: No error, code runs correctly | Ruby

Ruby - String Operations

Find the error in this Ruby code:

str = " Hello "
puts str.strip.upcase()

Aupcase should be called before strip

BMissing parentheses in method calls

Cstrip method does not exist

DNo error, code runs correctly

Step-by-Step Solution

Solution:

Step 1: Check method existence and syntax
Both strip and upcase are valid Ruby string methods and can be chained.
Step 2: Verify parentheses usage
Parentheses are optional in Ruby method calls; upcase() is valid and strip without parentheses is also valid.
Final Answer:
No error, code runs correctly -> Option D
Quick Check:
strip and upcase chaining is valid [OK]

Quick Trick: Parentheses optional in Ruby method calls [OK]

Common Mistakes:

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