chore(kb): start java's article

knowledge base/java.md

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+# Java
+
+1. [OpenJDK](#openjdk)
+   1. [Amazon Corretto](#amazon-corretto)
+   1. [Azul Zulu](#azul-zulu)
+   1. [Eclipse Adoptium](#eclipse-adoptium)
+1. [Further readings](#further-readings)
+   1. [Sources](#sources)
+
+## OpenJDK
+
+Open Java Development Kit.
+
+### Amazon Corretto
+
+No-cost, multiplatform, production-ready distribution of the OpenJDK.
+Comes with long-term support that includes performance enhancements and security fixes.
+
+[Docker images][amazon corretto docker images].
+
+### Azul Zulu
+
+Azul's offering for certified OpenJDK builds.
+Comes with tight security and cost efficiencies.
+
+### Eclipse Adoptium
+
+TODO
+
+## Further readings
+
+- [Website]
+- [Main repository]
+- [Amazon Corretto documentation]
+- [Azul]
+- [Adoptium]
+
+### Sources
+
+- [Amazon Corretto Docker images]
+
+<!--
+  Reference
+  ═╬═Time══
+  -->
+
+<!-- In-article sections -->
+<!-- Knowledge base -->
+<!-- Files -->
+<!-- Upstream -->
+[main repository]: https://github.com/project/
+[website]: https://website/
+
+<!-- Others -->
+[amazon corretto documentation]: https://docs.aws.amazon.com/corretto/
+[amazon corretto docker images]: https://hub.docker.com/_/amazoncorretto
+[azul]: https://www.azul.com
+[adoptium]: https://adoptium.net/