Scala 安装
http://www.runoob.com/scala/scala-install.html
Eclipse 安装(Neon 版本)
http://www.runoob.com/eclipse/eclipse-install.html
Intellij IDEA 使用教程
http://www.runoob.com/w3cnote/intellij-idea-usage.html
IntelliJ idea的下载和安装
http://jingyan.baidu.com/album/acf728fd4e879cf8e510a32b.html?picindex=1