object basics {
println("Welcome to the Scala worksheet") //> Welcome to the Scala worksheet
// Recursive Function
def fact0(n:Int) : Int = {
val res = if(n<= 2) n else n*fact0(n-1)
res
} //> fact0: (n: Int)Int
fact0(3) //> res6: Int = 6
// Recursive Function without block { }
def fact1(n:Int) : Int =
if(n <= 2) n else n*fact1(n-1) //> fact1: (n: Int)Int
fact1(20) //> res7: Int = -2102132736
// Recursive Function using Long Type Parameter
def fact2(n:Int) : Long =
if(n <= 2) n else n*fact2(n-1) //> fact2: (n: Int)Long
fact2(20) //> res8: Long = 2432902008176640000
// Recursive Function using BigInt Type Parameter
def fact3(n:Int) : BigInt =
if(n <= 2) n else n*fact3(n-1) //> fact3: (n: Int)BigInt
fact3(100) //> res9: BigInt = 9332621544394415268169923885626670049071596826438162146859296
//| 3895217599993229915608941463976156518286253697920827223758251185210916864000
//| 000000000000000000000
// Function using String Type Parameter
def fn3(x : String) : String = "Welcome " + x //> fn3: (x: String)String
fn3("All to the Big Data Workshop") //> res10: String = Welcome All to the Big Data Workshop
}
