4.0.0 cn.lastwhisper java-basic pom 1.0-SNAPSHOT concurrent jvm design-pattern interview feature-jdk5 feature-jdk8 learn-source-jdk7 learn-source-jdk8 feature-jdk9 feature-jdk11 org.projectlombok lombok 1.18.10 junit junit 4.12 mysql mysql-connector-java 5.1.38