阿里云大学 Java编程入门 学习目录

第一章：Java语言简介

https://crazyhengji.blog.youkuaiyun.com/article/details/109144726

第二章：搭建Java开发环境

https://crazyhengji.blog.youkuaiyun.com/article/details/109144952

第三章：初识Java开发

https://crazyhengji.blog.youkuaiyun.com/article/details/109159881

第四章：Java基本概念

https://crazyhengji.blog.youkuaiyun.com/article/details/109180146

第五章：Java数据类型划分

https://crazy