scala--定义值--数据类型推导--Cahr
C:\Users\Administrator>scala
Welcome to Scala 2.11.12 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_421).
Type in expressions for evaluation. Or try :help.
scala> val atSymbol = '@'
atSymbol: Char = @
C:\Users\Administrator>scala
Welcome to Scala 2.11.12 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_421).
Type in expressions for evaluation. Or try :help.
scala> val atSymbol = '@'
atSymbol: Char = @