Which LINQ operator is used to perform set operations like union, intersection, and difference on sequences?
- Concat
- GroupBy
- Join
- Select
The Concat operator in LINQ is used to combine two sequences into a single sequence. It performs set operations such as union, intersection, and difference on the sequences. It takes two sequences as input and returns a new sequence containing all the elements from both input sequences, excluding duplicates. This operator is useful for combining data from multiple sources or performing set-based operations on collections.
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