4.0.0 maven-classifier com.baeldung 0.0.1-SNAPSHOT maven-classifier-example-provider 0.0.1-SNAPSHOT 8 8 org.apache.maven.plugins maven-compiler-plugin 3.10.0 JDK 8 compile compile 8 8 true org.apache.maven.plugins maven-jar-plugin 3.2.2 Arbitrary jar arbitrary Test Jar test-jar org.apache.maven.plugins maven-source-plugin 3.2.1 attach-sources verify jar-no-fork org.apache.maven.plugins maven-javadoc-plugin 3.3.2 attach-javadocs jar