Ruby - Arrays
Which of the following is the correct syntax to check if the array
arr includes the number 5?Which of the following is the correct syntax to check if the array arr includes the number 5?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall the correct method name and syntax
The method to check presence isinclude?with a question mark at the end.Step 2: Verify method call on array
It should be called asarr.include?(5), notincludeorincludes?.Final Answer:
arr.include?(5) -> Option DQuick Check:
Correct method isinclude?with question mark [OK]
Quick Trick: Remember Ruby methods with ? end with a question mark [OK]
Common Mistakes:
- Omitting the question mark in include?
- Using incorrect method names like includes? or has?
- Using parentheses incorrectly
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