Collectors

Reading

• Collectors Brief Notes

Important Concepts

• The distinction between three similar-sounding things:
  • Collection (interface for a family of data structures, includes List)
  • Collector (interface for operations that turn streams into collections)
  • collect() (method of Stream)
• transforming vs. reducing

Things to Consider

• What are two differences between collections and streams?
• What is the role of a terminal operation in a stream?

Your Response

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