Scala深入浅出实战经典：17,Scala中包、类、对象、成员、伴生类、伴生对象访问权限实战彻底详解

Scala包、类、对象、成员访问权限

package spark{
    package navigation{
        private[spark] class Navigator{
            protected[navigation] def useStarChart(){}
            class LegOfJourney{
                private[Navigator] val distance = 100
            }
            private[this] var speed = 200
        }
    }

    package launch{
        import navigation._
        object Vehicle{
            private[launch] val guide = new Navigator
        }
    }

}