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foreach loop (most common)?

Q: foreach loop (most common)?

Short answer: List fruits = new List { "Apple", "Banana" }; foreach (var fruit in fruits) { Console.WriteLine(fruit); } Example code List fruits = new List { "Apple", "Banana" }; foreach (var fruit in fruits) { Console.WriteLine(fruit); } Real-world example (ShopNest) In ShopNest checkout, choose the collection by need: List for ordered cart lines, Dictionary for fast SKU lookup, HashSet for unique tags. Say this in the interview Define — one clear sentence (the short answer above). Example — relate it to a project like ShopNest or your real work. Trade-off — when you would not use it.

Short answer: List<string> fruits = new List<string> { "Apple", "Banana" }; foreach (var fruit in fruits) { Console.WriteLine(fruit); }

Example code

List<string> fruits = new List<string> { "Apple", "Banana" };
foreach (var fruit in fruits)
{ Console.WriteLine(fruit); }

Real-world example (ShopNest)

In ShopNest checkout, choose the collection by need: List for ordered cart lines, Dictionary for fast SKU lookup, HashSet for unique tags.

Say this in the interview

Define — one clear sentence (the short answer above).
Example — relate it to a project like ShopNest or your real work.
Trade-off — when you would not use it.

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