4.0.0 core-java-streams-4 0.1.0-SNAPSHOT core-java-streams-4 jar com.baeldung.core-java-modules core-java-modules 0.0.1-SNAPSHOT io.reactivex rxjava ${rx.java.version} io.reactivex.rxjava2 rxjava ${rx.java2.version} log4j log4j ${log4j.version} org.junit junit-bom ${junit-jupiter.version} pom import org.assertj assertj-core 3.23.1 test core-java-streams-4 src/main true org.apache.maven.plugins maven-compiler-plugin ${maven-compiler-plugin.version} ${maven.compiler.source} ${maven.compiler.target} -parameters 3.1 12 12 1.2.5 2.2.2