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What does the LINQ Where method do when used with a list of custom objects?

easy🧠 Conceptual Q1 of Q15
C Sharp (C#) - LINQ Fundamentals
What does the LINQ Where method do when used with a list of custom objects?
ACounts the number of objects in the list
BSorts the list in ascending order
CTransforms each object into a new form
DFilters the list based on a condition
Step-by-Step Solution
Solution:

  1. Step 1: Understand the purpose of Where in LINQ

    The Where method filters elements based on a condition you provide.

  2. Step 2: Apply to custom objects

    When used with custom objects, it returns only those objects that satisfy the condition.

  3. Final Answer:

    Filters the list based on a condition -> Option D

  4. Quick Check:

    LINQ Where = Filter [OK]
Quick Trick: Use Where to pick items matching a condition [OK]
Common Mistakes:
MISTAKES
  • Confusing Where with Select
  • Thinking Where sorts data
  • Using Where without a condition

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