Version 11 (LTS) - 2018-09

• 🔗 Java 11 Documentation
• 🔗 Java 11 Javadoc

Usage from sdkman

• sdk install java 11.0.12-open - install
• sdk use java 11.0.12-open - use in current shell

HTTP client [JEP 321]

• HTTP Client
  • asynchronous and synchronous mode. HTTP 2.

TLS 1.3 [JEP 332]

• TLS 1.3 full support

Removal of deprecated methods

java.lang.Runtime.runFinalizersOnExit(boolean)
java.lang.System.runFinalizersOnExit(boolean)
java.lang.Thread.destroy()
java.lang.Thread.stop(java.lang.Throwable)

EE and Corba modules removed [JEP 320]

Removed packages

• java.xml.ws - JAX-WS
• java.xml.bind - JAXB
• java.corba - Corba

Java Flight recorder (jfr) [JEP 328] and Java Mission Control (jmc)

🔗 Java Flight Recorder is a production time profiling and diagnostics engine built into the JVM.

🔗 Java Mission Control is, among other things, the client tool used to look at recordings produced by the Java Flight Recorder.

• 🔗 DZone -> Using Java Flight Recorder With OpenJDK 11

Garbage Collectors

HotSpot Virtual Machine Garbage Collection Tuning Guide, release 11 pdf (🔗 original link)

🔗 Java Magazine -> Understanding Garbage Collectors

Z Garbage Collector (ZGC) [JEP 333]

🔗 The Z Garbage Collector - experimental in java 11.

Low latency garbage collector striving for pause times < 10 ms.

Explained at 🔗 Java Magazine -> Understanding the JDK’s New Superfast Garbage Collectors

Enable with -XX:+UnlockExperimentalVMOptions -XX:+UseZGC

Epsilon no-op Garbage Collector [JEP 318]

Explained at 🔗 Java Magazine -> Epsilon: The JDK’s Do-Nothing Garbage Collector

Enable with -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC