This project illustrates with small snippets the changes made in each Java version

Multi-module Maven build showing different Java targets.

• One module for each Java version
• See here all changes from each Java version https://gitmind.com/app/docs/m7ds9m1g

Building

• Modern module only: mvn -pl modern-java17 test
• All modules (requires JDK 6 available via toolchains): mvn test

Example ~/.m2/toolchains.xml entry for the Java 6 module:

<toolchains>
  <toolchain>
    <type>jdk</type>
    <provides>
      <version>1.6</version>
    </provides>
    <configuration>
      <jdkHome>C:\Path\To\jdk6</jdkHome>
    </configuration>
  </toolchain>
</toolchains>