C Sharp (C#) - LINQ Fundamentals
Which of the following is the correct syntax to calculate the sum of integers in a list named numbers?
var total = ???;
Which of the following is the correct syntax to calculate the sum of integers in a list named numbers?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the method to sum list elements
The Sum() method is called on the list to add all elements.Step 2: Check syntax correctness
numbers.Sum() is the correct syntax; Count() counts items, Average() finds mean, Sum(numbers) is invalid.Final Answer:
numbers.Sum() -> Option AQuick Check:
Sum() adds list values [OK]
Quick Trick: Use list.Sum() to add all numbers [OK]
Common Mistakes:
MISTAKES- Using Count() instead of Sum()
- Calling Sum as a standalone function
- Using Average() to sum values
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