Question

How to print array in Scala

Answer 1

object O {
    def main(args: Array[String]): Unit = {
        var arr = Array(5, 7, 2.34, 8, 9.648)

        arr.foreach(println(_))
    }
}




/*
run:

5.0
7.0
2.34
8.0
9.648

*/

 

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Answer 2

object O {
    def main(args: Array[String]): Unit = {
        var arr = Array(5, 7, 2.34, 8, 9.648)

        for (n <- arr) {
            println(n)
        }
    }
}




/*
run:

5.0
7.0
2.34
8.0
9.648

*/

 

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Answer 3

object O {
    def main(args: Array[String]): Unit = {
        var arr = Array(5, 7, 2.34, 8, 9.648)

        for (i <- 0 to (arr.length - 1)) {
            println(arr(i))
      }
    }
}




/*
run:

5.0
7.0
2.34
8.0
9.648

*/

 

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Answer 4

object O {
    def main(args: Array[String]): Unit = {
        var arr: Array[Int] = Array(1, 2, 3, 4, 5, 8, 9)
 
        for (n <- arr) {
            print(n)
            print(" ")
        }
    }
}
   
    
    
    
/*
run:
    
1 2 3 4 5 8 9 
    
*/

 

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