Wednesday Links - Edition 2021-07-21

Neo4j, Java and GraphQL (9 min read)📈
https://info.michael-simons.eu/2021/07/13/neo4j-java-and-graphql

JVM Anatomy Quark #26: Identity Hash Code (6 min read)#️⃣
https://shipilev.net/jvm/anatomy-quarks/26-identity-hash-code

Object Mapper advice (40 sec read)🦉
https://twitter.com/richardstartin/status/1415708056709652487

Why use Memory Mapped File or MapppedByteBuffer in Java? (4 min read)🗄️
https://javarevisited.blogspot.com/2012/01/memorymapped-file-and-io-in-java.html

Useful Kotlin Idioms You Should Know (8 min read)🍅
https://blog.jetbrains.com/kotlin/2021/07/useful-kotlin-idioms-you-should-know

Keeping public API in check with the Kotlin binary validator plugin (6 min read)🔣
https://dev.to/zsmb13/keeping-public-api-in-check-with-the-kotlin-binary-validator-plugin-2b6m

Lambda development toolbox: Set environment variables locally (4 min read)λ
https://advancedweb.hu/lambda-development-toolbox-set-environment-variables-locally

The hidden gems in Java 16 and Java 17, from Stream.mapMulti() to HexFormat (12 min read)💎
https://blogs.oracle.com/javamagazine/hidden-gems-jdk16-jdk17-jep