Ruby - String Operations
What is the output of this Ruby code?
words = "red green blue".split(' ')
result = words.join('-')
puts resultWhat is the output of this Ruby code?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Split the string by space
"red green blue".split(' ') creates the array ["red", "green", "blue"].Step 2: Join the array with '-'
Joining with '-' results in the string "red-green-blue".Final Answer:
red-green-blue -> Option DQuick Check:
split + join with '-' = red-green-blue [OK]
Quick Trick: Split by space, join with '-' creates hyphenated string [OK]
Common Mistakes:
MISTAKES- Forgetting join separator
- Using split without argument
- Expecting commas instead of hyphens
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