jveverka / java-17-examples

JDK 17 examples and demo projects

Java 17 examples

This project is WIP ! Stay tuned.

This project aggregates examples of new Java and JVM features between versions 12 and 17 as well as practical java examples tailored for Java 17.

Environment setup

Make sure following software is installed on your PC.

• OpenJDK 17 or later.
• Gradle 7.3 or later
• docker.io 20.x or later

Please check system requirements before.

Compile & Test

Most examples are build by top-level gradle project.

gradle clean build test installDist distZip

Examples

• Most interesting JEPs implemented in JDK12 - JDK17
  • JEP 359, 384: Records
  • JEP 325, 354, 361: Switch Expressions
  • JEP 353: Reimplement the Legacy Socket API
  • JEP 355, 368, 378: Text Blocks
  • JEP 305: Pattern Matching for instanceof
  • JEP 358: Helpful NullPointerExceptions
  • JEP 373: Reimplement the Legacy DatagramSocket API
  • JEP 370, 383: Foreign-Memory Access API
  • JEP 339: Edwards-Curve Digital Signature Algorithm (EdDSA)
  • JEP 360: Sealed Classes (Preview)
  • JEP 371: Hidden Classes

JDK12 - JDK17 Features

• JDK12 [2019-03-19] Feature list
• JDK13 [2019-09-17] Feature list
• JDK14 [2020-03-17] Feature list
• JDK15 [2020-09-15] Feature list
• JDK16 [2021-03-16] Feature list
• JDK17 [2021-09-14] Feature list

References

Java 11 examples A peek into Java 17

Enjoy !