IntelliJ IDEA 2020.1 EAP with Records/Patterns support

Remi Forax forax at
Sun Jan 26 21:53:31 UTC 2020

As a test, i've taken the source of Effective Java (3rd Ed) and change them to use var, switch expression, records and the instanceof with the type test pattern. 
[ | ] 

IntelliJ works great ! No problem. 


> De: "Brian Goetz" <brian.goetz at>
> À: "Tagir Valeev" <amaembo at>, "amber-dev" <amber-dev at>,
> "amber-spec-experts" <amber-spec-experts at>
> Envoyé: Samedi 25 Janvier 2020 18:53:59
> Objet: Re: IntelliJ IDEA 2020.1 EAP with Records/Patterns support

> Great news, Tagir. It is super to see strong early IDE support -- that means we
> will are more likely to get useful feedback when we can still act on it!

> On 1/24/2020 10:33 PM, Tagir Valeev wrote:

>> Hello!

>> I'm happy to announce that JetBrains started an Early Access Program
>> for IntelliJ IDEA 2020.1. You can download the EAP builds here (fully
>> functional for 30 days, no registration/payment required): [
>> |
>> ] Here's release notes blog post: [
>> |
>> ] In
>> particular, these builds already have decent support for Java 14
>> Preview features, including records and patterns in instanceof. There
>> are still many known problems (most notable with formatting and
>> refactorings), but all the basic functionality (syntax highlighting,
>> error highlighting, code completion, symbol resolution, navigation,
>> etc.) already works. Also, for patterns, we have an inspection that
>> suggests replacing the instanceof+subsequent variable declaration and
>> cast sequence with instanceof + pattern.

>> Feel free to try this build. If you have any feedback you can contact
>> me or post new issues to [ |
>> ] .

>> With best regards,
>> Tagir Valeev.
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