Language Expressiveness

2020

Jakarta Enterprise Edition 9
- First JEE release with packages reorganized from javax.* to jakarta.*
Java Standard Edition 14
- Garbage collection improvements
- switch expressions
- Text blocks (preview)
- Records (preview)
- instanceof pattern matching (preview)
- Packaging tool (preview)
- Foreign memory access (preview)
Java Standard Edition 15
- Text blocks
- Garbage collection improvements
- Sealed classes (preview)
- Records (preview)
- Nashorn JavaScript engine removed

Java Standard Edition 16
- Packaging tool
- Records (data classes or named tuples)
- instanceof pattern matching
- Vector API (preview)
US Supreme Court rules in favor of Google in Google LLC v. Oracle America, Inc.
- Google’s use of the organization (package & class hierarchy, method names & parameter types) of Java standard library APIs in Android standard library classified as fair use.
- Ruling doesn’t explicitly address general applicability of copyright protection to API declarations.
Java Standard Edition 17
- Always-strict floating-point behavior
- Enhanced pseudo-random number generator API
- Sealed classes
- switch pattern matching (preview)
- Foreign function and memory access API (preview)

Java Standard Edition 18
- UTF-8 text encoding by default
- @snippet in JavaDoc standard doclet
- Simple web server
- Internet address resolution service provider interface
- Object.finalize() deprecated
Java Standard Edition 19
- Linux RISC-V port
- Record patterns (preview)
- Virtual threads (preview)
- Structured concurrency (preview)