JDK New Features

Experience the new features from JDK 1.8 to the latest version (24 Preview).

• JDK 8 (LTS) Lambdas, Type Annotations, etc
• JDK 9 Modules, Private Methods in interfaces, etc
• JDK 10 Local variable type interface
• JDK 11 (LTS) Local variables syntax for lambda parameters
• JDK 12 No new language features
• JDK 13 No new language features
• JDK 14 Switch expressions
• JDK 15 Text blocks
• JDK 16 Records, Patterns, Local enums and interfaces
• JDK 17 (LTS) Sealed types, always-strict floating-point semantics
• JDK 18 JavaDoc snippets
• JDK 19 No new language features
• JDK 20 No new language features
• JDK 21 (LTS) Record patterns, Pattern matching for switch, String templates, Unnamed classes and instance main methods, etc
• JDK 22 Unnamed variables and patterns
• JDK 23 (Preview) Markdown documentation comments, Primitive types in patterns, Implicitly declared classes, etc
• JDK 24 (Preview) Stream gathers, Flexible constructor bodies, Simple source files, etc

Release Notes

https://www.oracle.com/java/technologies/javase/jdk-relnotes-index.html

Undo Points

1. JDK 9 Modules
2. JDK 13 CDS
3. JDK 15 Hidden Classes, Sealed Classes
4. JDK 16 jpackage tool
5. JDK 22 Stream Gather