core-java-modules com.baeldung.core-java-modules 1.0.0-SNAPSHOT 4.0.0 com.baeldung.core-java-lang-oop-modules core-java-lang-oop-modules core-java-lang-oop-modules pom core-java-lang-oop-constructors core-java-lang-oop-patterns core-java-lang-oop-generics core-java-lang-oop-modifiers