4.0.0 core-java-collections-maps-4 0.1.0-SNAPSHOT core-java-collections-maps-4 jar com.baeldung.core-java-modules core-java-modules 0.0.1-SNAPSHOT org.apache.commons commons-collections4 ${commons-collections4.version} com.google.guava guava ${guava.version} junit junit ${junit.version} test org.apache.maven.plugins maven-surefire-plugin 3.0.0-M5 !performance org.apache.maven.plugins maven-compiler-plugin ${maven-compiler-plugin.version} ${maven.compiler.source} ${maven.compiler.target} UTF-8 1.9 1.9