Java 8

• Release Date: March 2014
• Major Features:
  • Lambda Expressions
  • Stream API
  • New Date and Time API
  • Default Methods in Interfaces

Java 9

• Release Date: September 2017
• Major Features:
  • Java Platform Module System (JPMS)
  • JShell: The Interactive Java REPL
  • Improved Javadoc
  • Stream API Enhancements

Java 10

• Release Date: March 2018
• Major Features:
  • Local-Variable Type Inference (var)
  • Time-Based Release Versioning
  • Application Class-Data Sharing

Java 11

• Release Date: September 2018
• Major Features:
  • New HttpClient API
  • Launch Single-File Source-Code Programs
  • String API Enhancements
  • Epsilon: A No-Op Garbage Collector

Java 12

• Release Date: March 2019
• Major Features:
  • Switch Expressions (Preview)
  • JVM Constants API
  • Shenandoah: A Low-Pause-Time Garbage Collector

Java 13

• Release Date: September 2019
• Major Features:
  • Text Blocks (Preview)
  • Reimplementing the Legacy Socket API
  • Dynamic CDS Archives

Java 14

• Release Date: March 2020
• Major Features:
  • Switch Expressions (Standard)
  • Records (Preview)
  • Pattern Matching for instanceof (Preview)
  • Helpful NullPointerExceptions

Java 15

• Release Date: September 2020
• Major Features:
  • Sealed Classes (Preview)
  • Hidden Classes
  • Text Blocks (Standard)
  • Edwards-Curve Digital Signature Algorithm (EdDSA)

Java 16

• Release Date: March 2021
• Major Features:
  • Record Classes (Standard)
  • Pattern Matching for instanceof (Standard)
  • Foreign-Memory Access API (Incubator)
  • Vector API (Incubator)

Java 17

• Release Date: September 2021
• Major Features:
  • Sealed Classes (Standard)
  • Pattern Matching for Switch (Preview)
  • New macOS Rendering Pipeline
  • Strongly Encapsulate JDK Internals

Java 18

• Release Date: March 2022
• Major Features:
  • Simple Web Server
  • UTF-8 by Default
  • Code Snippets in Java API Documentation
  • Pattern Matching for Switch (Second Preview)

Java 19

• Release Date: September 2022
• Major Features:
  • Virtual Threads (Preview)
  • Structured Concurrency (Incubator)
  • Foreign Function & Memory API (Preview)
  • Vector API (Third Incubator)