<ul><li>Java 8 introduced the Stream API for functional-style operations on collections.</li><li>Java streams are a sequence of elements supporting parallel and functional-style operations.</li><li>To filter a collection using streams, create a stream with the stream() method from List, Set, or Map.</li><li>Use the filter() method with a predicate to specify conditions for filtering elements.</li><li>Filter a list of Person objects by age using streams and collect the filtered results.</li><li>Chaining multiple filter() operations or combining conditions within a single filter() is possible.</li><li>For complex conditions, define a separate method or use Predicate objects.</li><li>Benefits include declarative code, lazy evaluation, and parallelization with streams.</li><li>Best practices involve using meaningful variable names and profiling code.</li><li>Common use cases for streams include data processing pipelines and validation.</li></ul>

How to Filter a Collection Using Streams in Java?

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