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You have a List of integers: var nums = new List {2, 4, 6, 8}; How do you create a new List containing only even numbers greater than 4 using LINQ?

hard🚀 Application Q8 of 15
C Sharp (C#) - Collections
You have a List of integers: var nums = new List {2, 4, 6, 8}; How do you create a new List containing only even numbers greater than 4 using LINQ?
Avar result = nums.Select(n => n > 4 && n % 2 == 0).ToList();
Bvar result = nums.Where(n => n > 4 && n % 2 == 0).ToList();
Cvar result = nums.FindAll(n => n < 4).ToList();
Dvar result = nums.Filter(n => n > 4).ToList();
Step-by-Step Solution
Solution:
  1. Step 1: Use Where to filter elements

    Where filters elements by condition; here n > 4 and even (n % 2 == 0).
  2. Step 2: Convert filtered result to List

    Use ToList() to get a List from filtered IEnumerable.
  3. Final Answer:

    var result = nums.Where(n => n > 4 && n % 2 == 0).ToList(); -> Option B
  4. Quick Check:

    Use Where + ToList for filtered list [OK]
Quick Trick: Use Where for filtering, ToList to convert [OK]
Common Mistakes:
MISTAKES
  • Using Select instead of Where
  • Using non-existent Filter method
  • Filtering wrong condition

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