Discover Modern Java

This is the support code for "Discover Modern Java", a course given every two months to O'Reilly subscribers.

All examples are meant to be executed using Java 21.

Update copyrights

mvn validate license:format

mvn versions:display-dependency-updates versions:display-plugin-updates

Name		Name	Last commit message	Last commit date
.github		.github
.mvn/wrapper		.mvn/wrapper
examples		examples
java9		java9
package		package
.editorconfig		.editorconfig
.gitignore		.gitignore
AOT.md		AOT.md
Helper.java		Helper.java
Java11.java		Java11.java
Java11.sh		Java11.sh
LaunchMultiFile41.java		LaunchMultiFile41.java
README.md		README.md
UnnamedClasses40.java		UnnamedClasses40.java
UnnamedClasses40Solution.java		UnnamedClasses40Solution.java
header.txt		header.txt
mvnw		mvnw
mvnw.cmd		mvnw.cmd
pom.xml		pom.xml