C Sharp (C#) - LINQ Fundamentals
Which of the following is the correct syntax to get the first element or default from a list numbers?
var result = numbers._____();
Which of the following is the correct syntax to get the first element or default from a list numbers?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify method for first or default
FirstOrDefault() returns the first element or default if none found.Step 2: Check syntax correctness
numbers.FirstOrDefault() is valid syntax to get first or default.Final Answer:
FirstOrDefault -> Option BQuick Check:
FirstOrDefault() syntax correct for first or default [OK]
Quick Trick: Use FirstOrDefault() to safely get first or default [OK]
Common Mistakes:
MISTAKES- Using Single() which throws if multiple elements
- Using First() which throws if empty
- Using SingleOrDefault() which expects single element
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