4.0.0 core-java-concurrency-advanced-5 core-java-concurrency-advanced-5 jar com.baeldung.core-java-modules core-java-modules 0.0.1-SNAPSHOT core-java-concurrency-advanced-5 org.apache.maven.plugins maven-compiler-plugin ${maven.compiler.source} ${maven.compiler.target} 1.8 1.8