Ruby - Arrays
What is the output of the following Ruby code?
a = [1, 2, 3, 4] b = [3, 4, 5, 6] result = a | b puts result.inspect
What is the output of the following Ruby code?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the union operator
The|operator combines all unique elements from both arrays.Step 2: Apply union to arrays
Arrays a and b combined uniquely are [1, 2, 3, 4, 5, 6].Final Answer:
[1, 2, 3, 4, 5, 6] -> Option AQuick Check:
Union = | [OK]
Quick Trick: Use | to combine unique elements from both arrays [OK]
Common Mistakes:
MISTAKES- Confusing union with intersection
- Expecting duplicates in output
- Using - which removes elements
Master "Arrays" in Ruby
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