preview

2 tutorials tagged “preview”.

Primitive Types in Patterns (Preview)A Java 25 preview: primitive type patterns in switch and instanceof, switching on long, double and boolean, and safe exactness checks for conversions.Java · hard · 6 min · Nov 13, 2026
Structured Concurrency in JavaStructured concurrency (preview in Java 25) treats related subtasks as one unit with StructuredTaskScope: fork, join, and automatic cancellation when one fails.Java · hard · 5 min · Nov 13, 2026

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