Print all names in single comma-separated string?

Short answer: string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result =…

Explain a bit more

string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name));

Example code

string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name)); string result = string.Join(", ", employees.Select(e => e.Name));

Real-world example (ShopNest)

ShopNest uses LINQ to query orders: filter by date, project to a summary DTO, and order by total—readable C# that becomes SQL under EF Core.

Say this in the interview

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