chore: Update the readme for Java 17 (#2098)

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He-Pin(kerr) 2025-08-27 16:58:49 +08:00 committed by GitHub
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@ -16,6 +16,8 @@ Depending on which version (or sometimes module) you want to work on, you should
* `main` active development branch of Pekko
* `1.0.x` maintenance branch of Pekko 1.0
* `1.1.x` maintenance branch of Pekko 1.1
* `1.2.x` maintenance branch of Pekko 1.2
### Tags

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@ -22,14 +22,13 @@ The CI build is Linux based (Ubuntu) and most Pekko developers use Macs or Linux
To use IntelliJ IDEA, you need to configure your project to use JDK 8. For a visual guide, refer to this [Q&A](https://github.com/apache/pekko/discussions/1847#discussioncomment-13166066).
- File > Project Structure > Project Settings > Project > Set your JDK to version 8
- Settings > ... > Scala Compiler Server > Set your JDK to version 8
- Settings > ... > sbt > Set your JRE to version 8
- File > Project Structure > Project Settings > Project > Set your JDK to version 17
- Settings > ... > Scala Compiler Server > Set your JDK to version 17
- Settings > ... > sbt > Set your JRE to version 17
### Prerequisites
- Make sure you have installed a Java Development Kit (JDK) version 11 or later.
- Make sure you have installed a Java Development Kit (JDK) version 17 or later.
- Make sure you have [sbt](https://www.scala-sbt.org/) installed and using this JDK.
- Make sure you also have Java 8 installed (JDK or JRE).
- [Graphviz](https://graphviz.gitlab.io/download/) is needed for the scaladoc generation build task, which is part of the release.
### Running the Build