Get the latest tech news

Java sealed classes and exhaustive pattern matching


Java 17 introduced sealed classes, which allow you to explicitly list the allowed sub-types of an interface or base class. For example, here’s a toy example using a sealed interface and records (in…

None

Get the Android app

Or read this on Hacker News

Read more on:

Photo of Java

Java

Photo of exhaustive pattern

exhaustive pattern

Photo of sealed classes

sealed classes

Related news:

News photo

Benchmarking Java Performance Of JDK 8 Through OpenJDK 27

News photo

Java 27

News photo

Java is memory efficient [audio]