4.0.0 ch.usi.inf.pf3.hw1 ex5 1.0-SNAPSHOT jar ${project.artifactId} org.apache.maven.plugins maven-compiler-plugin 1.8 1.8 org.apache.maven.plugins maven-jar-plugin reentrantrwlock.Main org.codehaus.mojo exec-maven-plugin 1.2.1 reentrantrwlock.Main