[1.开发环境搭建](%E7%AC%AC%E4%B8%80%E7%AB%A0java%E7%BC%96%E7%A8%8B%E5%9F%BA%E7%A1%80/%E5%BC%80%E5%8F%91%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA.md) [2.基本数据类型](%E7%AC%AC%E4%B8%80%E7%AB%A0java%E7%BC%96%E7%A8%8B%E5%9F%BA%E7%A1%80/%E5%9F%BA%E6%9C%AC%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B.md)