reference https://docs.oracle.com/javase/10/docs/specs/jar/jar.html#main-attributes https://docs.oracle.com/javase/tutorial/deployment/jar/appman.html Java 9中--add-exports和--add-opens有什么区别？ Java 9 揭秘（9. 打破模块封装） https://openjdk.org/projects/jigsaw/doc/ModulesAndJavac.pdf https://nipafx.dev/java-11-migration-guide/