Java 17: Issues with Stream API and Collectors.groupingBy() returning unexpected null values
👀 Views: 4
💬 Answers: 1
📅 Created: 2025-06-01
java java-17 stream-api
I'm using Java 17 and running into a problem while trying to group a list of objects using the Stream API with the `Collectors.groupingBy()` collector. My data ...