JDK14-15-16-17-18-19-20-features

Prepeare

Install java 14 use sdk

sdk install java 14.0.2-open
sdk use java 14.0.2-open

• Link to JDK14 features https://openjdk.java.net/projects/jdk/14/
• Link to JDK15 features https://openjdk.java.net/projects/jdk/15/
• Link to JDK16 features https://openjdk.java.net/projects/jdk/16/
• Link to JDK17 features https://openjdk.java.net/projects/jdk/17/
• Link to JDK18 features https://openjdk.java.net/projects/jdk/18/
• Link to JDK19 features https://openjdk.java.net/projects/jdk/19/
• Link to JDK20 features https://openjdk.java.net/projects/jdk/20/
• Link to JDK21 features https://openjdk.java.net/projects/jdk/21/

JEP 358: Helpful NullPointerExceptions

add VM param -XX:+ShowCodeDetailsInExceptionMessages

JEP 343: Packaging Tool (Incubator)

mvn clean javafx:run

jpackage --input target --name JPackageDemoApp --main-jar JDK14-features-0.0.1-SNAPSHOT-jar-with-dependencies.jar --main-class n04_jep343_Packaging_Tool_Incubator.App --type dmg --java-options '--enable-preview'
WARNING: Using incubator modules: jdk.incubator.jpackage