More support is on the way in future IntelliJ IDEA releases. Support for Java 20 is available in IntelliJ IDEA 2023.1. In this blog post, I’ll cover IntelliJ IDEA’s support with the language features like Record Patterns and Pattern Matching for switch, specifically the most interesting changes like improved support with type inference for generic Record Patterns, exhaustive switch statements and expressions, and Record Patterns in enhanced for headers. The Vector API, currently in its fifth preview, helps work with vector computations in your code. Virtual threads, lightweight threads that would revolutionize how you create multithreaded applications, supported by Structured Concurrency, are in another preview in the latest Java release. In its second preview in Java 20, the Foreign Function and Memory API continues to improve its capabilities to enable Java code to talk with code and data outside of JVM. In its fourth preview, Pattern Matching for switch improves its usage when working with exhaustive switch, simplified switch labels and inferring type arguments for generic Record Patterns.

In its second preview, Record Patterns improves support for generic Record Patterns and lets you use Record Patterns in enhanced for statements.

It introduces Scoped Values as an incubating API to support virtual threads by enabling sharing of immutable data within and across threads. I’ve been writing about the new Java releases for a while now (since Java 10) and I like how we developers get to know about and use the new Java features every six months.Ĭompared to some of its previous releases, Java 20 adds relatively fewer features.

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