Scenario: You have two collections of objects, orders and customers, and you need to retrieve a list of orders along with their corresponding customer information. Which LINQ operator would you use for this task?

  • Join
  • Select
  • GroupJoin
  • Concat
The correct option is Join. The Join operator is used to combine two collections based on a related key and select the result into a new collection. In this scenario, you would use Join to combine the orders and customers collections based on a common key, such as CustomerID, to retrieve a list of orders along with their corresponding customer information.
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