Question

How to use for range loop with steps in Scala

Answer 1

object O {
    def main(args: Array[String]): Unit = {
        for (i <- Range(9, 2, -1)) {
            println(i)
        }
    }
}
   
   
   
   
/*
run:
   
9
8
7
6
5
4
3

*/

 

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Answer 2

object O {
    def main(args: Array[String]): Unit = {
        for (i <- Range(9, 22, 3)) {
            println(i)
        }
    }
}
   
   
   
   
/*
run:
   
9
12
15
18
21

*/

 

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