Intermediate module

Module 13: Functional Programming and Streams

Add lambdas and streams after the collection basics so data processing feels easier instead of more abstract.

Module lessons

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Learn lambda syntax in a simple way so method-based interfaces feel less verbose.

Use core functional interfaces that appear often in streams and callbacks.

Create streams from lists, arrays, and other common data sources.

Filter, map, and reshape data with clear stream pipelines.

Finish pipelines with collecting, counting, matching, and simple reductions.

Build a reporting pipeline that groups, filters, and summarizes student data.