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Ideas for extending the Java language with data classes and sealed types to get the effect of algebraic datatypes in the Haskel or SML sense.

Data Classes and Sealed Types for Java Brian Goetz, February 2019 This document explores possible directions for data classes and sealed types in the Java Language, and is an update to Data Classes in Java. This is an exploratory document only and does not constitute a plan for any specific feature in any specific version of the Java Language.

Noted by Damian Cugley 5 years, 10 months ago.