Java - AshokBhat/notes GitHub Wiki

About

  • Programming language

Key terms

  • JVM : Java virtual machine
  • JDK : Java development kit
  • JRE : Java runtime environment
  • Hotspot: JIT compiler in OpenJDK
  • OpenJDK: Open source implementation of Java Standard

Key tools

  • JDK: Oracle JDK (commercial), OpenJDK
  • OpenJDK distributions: RedHat, Amazon Coretto, Debian, AdoptOpenJDK

Java Language releases

Releases

  • Two releases per year
  • Support for 6 months for normal releases
  • Longer support for LTS releases

LTS release support

Version Release Support
Java SE 8 LTS Mar 14 Jan 19 for Oracle (commercial) Dec 20 for Oracle (personal use) Jun 23 for Amazon Corretto
Java SE 11 LTS Sep 18 September 2027 for Amazon Corretto
Java SE 17 LTS Sep 21 September 2026 for Oracle (commercial) October 2029 for Amazon Corretto
Java SE 21 LTS Sep 23 TBA

See also