What is new in Java 17?
These are features they have been added in from last release.
1. Language Feature
JEP 409: Sealed Classes
2. Updates and Improvements on Core Libraries
JEP 306: Restore Always-Strict Floating-Point Semantics
JEP 356: Enhanced Pseudo-Random Number Generator
JEP 382: New macOS Rendering Pipeline
JEP 415: Context-Specific Deserialization Filters
3. New Platform Support
JEP 391: macOS Arch 64 Port
Delivers a version of the JDK for macOS that runs natively on Apple’s newer Arm 64 based systems.
4. Previews and Incubators
JEP 406: Pattern Matching for switch (Preview)
JEP 412: Foreign Function and Memory API (Incubator)
JEP 414: Vector API (Second Incubator)
5. Future Proofing Java Programs
JEP 403: Strongly Encapsulate JDK Internals
JEP 403 is the continuation of JEP 396 in JDK 16, which transitioned the JDK from a default of relaxed strong encapsulation to a default of strong encapsulation.
6. Deprecations and Removals
JEP 411: Deprecate the Security Manager for Removal
JEP 398: Deprecate the Applet API for Removal
JEP 407: Remove RMI Activation
7. For OpenJDK Contributors
JEP 410: Remove the Experimental AOT and JIT Compiler
- JetBrains IDEA
- Eclipse via separate marketplace solution