4.0.0 com.baeldung.blockchain java-blockchain 0.1.0-SNAPSHOT java-blockchain jar com.baeldung parent-java 0.0.1-SNAPSHOT ../parent-java java-blockchain src/main/resources true org.apache.maven.plugins maven-compiler-plugin ${maven-compiler-plugin.version} ${maven.compiler.source} ${maven.compiler.target} 1.8 1.8