从Java5到Java12每个版本的新特性(1) 5-7
https://www.jianshu.com/p/a051a2f0c3ab
https://www.jianshu.com/p/e5fba5376371
官方文档
https://openjdk.java.net/projects/jdk/12/
jdk12理解:
http://www.elecfans.com/d/888573.html
https://www.jianshu.com/p/a051a2f0c3ab
https://www.jianshu.com/p/e5fba5376371
https://openjdk.java.net/projects/jdk/12/
http://www.elecfans.com/d/888573.html