Scala's extensive application of generic classes, generic functions, generics in Spark, Scala learning notes-33

Package Com.leegh.parameterization

/**
* @author Guohui Li
*/
Import Scala.reflect.ClassTag

Class Trible[f, S, T] (Val first:f, Val second:s, Val third:t)

Object Hello_type_parameterization {
def main (args:array[string]): Unit = {
val triple = new Triple ("Spark", 3, 3.1415)
Val bigdata = new triple[string, String, Char] ("Spark", "Hadoop", ' R ')
def Getdata[t] (list:list[t]) = List (LIST.LENGTH/2)
println (GetData (List ("Spark", "Hadoop", ' R '))
Val F = getdata[int]_
println (f (List (1,2,3,4,5,6,7,8)))

def Buildarray[t:classtag] (len:int) = new Array[t] (len)
println (Buildarray[int] (5). ToList)

}
}

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Scala's extensive application of generic classes, generic functions, generics in Spark, Scala learning notes-33