Filter Nested Collections with Stream in Java

Date: 2024-06-14

This Java Code Geeks article demonstrates how to efficiently filter nested collections using Java's Stream API. It tackles the challenge of filtering elements within nested collections (e.g., a list of lists) by showcasing methods like flatMap and filter. The article uses the example of filtering employees from a list of departments based on salary, illustrating both pre-Java 16 and post-Java 16 (using mapMulti) approaches. The Stream API simplifies this process, offering a concise and powerful solution for handling complex data structures.

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