Java 19 is the latest version of the Java programming language. It was released on September 20, 2022, and it comes with numerous new features and improvements. Some of the most notable changes in Java 19 include the introduction of pattern matching for switch statements, the enhanced packaging tool, the removal of the volatile keyword from most fields in the java.util.concurrent package, and the introduction of new APIs for regular expressions, among many others.

You can download Java 19 here.

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New in Java 19:

• 1 New System Properties for System.out and System.err
• 2 New Methods to Create Preallocated HashMaps
• 3 Preview- und Incubator-Features
  • 3.1 Pattern Matching for switch (Third Preview) – JEP 427
  • 3.2 Record Patterns (Preview) – JEP 405
  • 3.3 Virtual Threads (Preview) – JEP 425
  • 3.4 Structured Concurrency (Incubator) – JEP 428
  • 3.5 Foreign Function & Memory API (Preview) – JEP 424
  • 3.6 Vector API (Fourth Incubator) – JEP 426
• 4 Deprecations and Deletions
  • 4.1 Deprecation of Locale class constructors
  • 4.2 java.lang.ThreadGroup is degraded
• 5 Other Changes in Java 19
  • 5.1 Linux/RISC-V Port
  • 5.2 Complete List of All Changes in Java 19