Loops in Scala

object loop1{
def main(args:Array[String]){
var count:Int = 0
for (i <- 1 to 10 by 1){
count = count+1
}
println("The sum is : " + count)
}
}





D:\iEd>scala loop1
The sum is : 10



object loop2{
def main(args:Array[String]){
for(i <- 100 to 400 by 20){
println ("Welcome to Scala : " + i)
}
}
}


D:\iEd>scala loop2
Welcome to Scala : 100
Welcome to Scala : 120
Welcome to Scala : 140
Welcome to Scala : 160
Welcome to Scala : 180
Welcome to Scala : 200
Welcome to Scala : 220
Welcome to Scala : 240
Welcome to Scala : 260
Welcome to Scala : 280
Welcome to Scala : 300
Welcome to Scala : 320
Welcome to Scala : 340
Welcome to Scala : 360
Welcome to Scala : 380
Welcome to Scala : 400





object loop4{
def main(args:Array[String]):Unit = {
println("Enter Start Value:")
val start:Int = scala.io.StdIn.readInt()
println("Enter End Value:")
val end:Int = scala.io.StdIn.readInt()
for (i <- start to end by -1){
println("Hi " + i)
}
}
}



D:\iEd>scala loop4
Enter Start Value:
40
Enter End Value:
35
Hi 40
Hi 39
Hi 38
Hi 37
Hi 36
Hi 35




object loop5{
def main(args:Array[String]):Unit = {
val myList = List(10,20,11,21,12,22)
var count:Int = 0
for(i <- 0 to myList.size - 1){
count = count  + myList(i)
}
println("Count : " + count)
}
}


D:\iEd>scala loop5
Count : 96