<ul><li>A Stream in Java is a sequence of elements supporting functional-style operations, not a data structure.</li><li>Streams reduce boilerplate, encourage readable, functional code, and work beautifully with functional interfaces in java.util.function.</li><li>Stream operations consist of stages: data source, transformation without consumption, and terminal operation.</li><li>Java Streams empower developers to write shorter, cleaner, safer, and faster code through declarative thinking.</li></ul>

Demystifying Java Streams: A Beginner-to-Intermediate Guide with Real-Life Tasks

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