//原始方法:
//val list=List("abc","bcd","cde")
scala> list.sortWith( (s,t) => s.compareTo(t) <0 )
res1: List[String] = List(abc,bcd,cde)
//匿名方法:
scala> list.sortWith( _.compareTo(_) <0 )
res2: List[String] = List(abc,bcd,cde)
//上述为字典序递增,若递减则改'<'为'>'即可