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Title: Compact object headers | java.evolved

Open Graph Title: Compact object headers | java.evolved

X Title: Compact object headers | java.evolved

Description: Cut object header size in half for better memory density and cache usage.

Open Graph Description: Cut object header size in half for better memory density and cache usage.

X Description: Cut object header size in half for better memory density and cache usage.

Opengraph URL: https://javaevolved.github.io/tooling/compact-object-headers.html

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Domain: javaevolved.github.io

Hey, it has json ld scripts: 
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Compact Object Headers (JEP 519) ↗https://openjdk.org/jeps/519
Tooling Beginner JShell for prototyping Java 8 // 1. Create Test.java // 2. javac Test.java // 3. java Test // Just to test one expression! Java 9+ $ jshell jshell> "hello".chars().count() $1 ==> 5 jshell> List.of(1,2,3).reversed() $2 ==> [3, 2, 1] Hover to see modern ➜ JDK 9+ → https://javaevolved.github.io/tooling/jshell-prototyping.html
Tooling Beginner Single-file execution Java 8 $ javac HelloWorld.java $ java HelloWorld // Two steps every time Java 11+ $ java HelloWorld.java // Compiles and runs in one step // Also works with shebangs: #!/usr/bin/java --source 25 Hover to see modern ➜ JDK 11+ → https://javaevolved.github.io/tooling/single-file-execution.html
Tooling Intermediate Multi-file source launcher Java 8 $ javac *.java $ java Main // Must compile all files first // Need a build tool for dependencies Java 22+ $ java Main.java // Automatically finds and compiles // other source files referenced // by Main.java Hover to see modern ➜ JDK 22+ → https://javaevolved.github.io/tooling/multi-file-source.html
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