CS

网站 http://www.scala-lang.org/ sdk下载链接 http://www.scala-lang.org/download/ IDE-Eclipse 下载链接 http://scala-ide.org/ Ideal 插件安装 File->Settings->Plugins->Scala 构建工具（类似Maven） SBT  http://www.scal

scala> def max(a: Int, b: Int) = if(a > b) a else b max: (a: Int,b: Int)Int scala> max(5, 4) res8: Int = 5 scala> max(5, 7) res9: Int = 7 if else val someValue = if(some condition) va

val 不可变 var 可变 val x:int = 1 val x = 1 scala> val decimal = 11235L decimal: Long = 11235 scala> val hexa = 0x23 hexa: Int = 35 scala> val i = 1 i: Int = 1 scala> val i2: By