This JEP Café explains what Gatherers represent, an API introduced in JDK 24 to supplement intermediary operations for the Java 8 Stream API.

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The post introduces the Gatherers API added in JDK 24, designed to enhance the Java 8 Stream API intermediary operations. It offers a comprehensive step-by-step guide on using this API efficiently through various examples. Key topics include understanding intermediate and terminal operations, the working of internal mutable state, stream interruption, and parallelization. It also highlights advanced features like flat-mapping for element validation and mapMulti() to optimize stream object creation.

Better Java Streams with Gatherers

<p>1 minute read? More like a 73 minute video without a text version. 👎</p>
