Sum the powers 2n of all integers n between two given numbers

/** My Test Scala file**/
package main.scala

/**  * Created by Dinuka on 4/8/2017.  */object SumBetween extends App{
  print("Please insert start No :")
  val start = scala.io.StdIn.readInt()
  print("Please insert end No :")
  val end = scala.io.StdIn.readInt()

  def sum(start:Int,end:Int): Int ={
    var sumOfNums = 0    for (i <- start+1 until end){
      sumOfNums += i*i
    }
    sumOfNums
  }

  println(sum(start,end))
}
/**def sum(): Unit ={    print("Please insert start No :")    val start = scala.io.StdIn.readInt()    print("Please insert end No :")    val end = scala.io.StdIn.readInt()    var sumOfNums = 0    for (i <- start+1 until end){      sumOfNums += i*i    }    println(sumOfNums)  }
**/

Comments

Find area of Shapes using Scala

def areaOfShapes(): Unit ={ var choice:Int= 0 var r:Int= 0 var l:Int= 0 var w:Int= 0 var b:Int= 0 var h:Int= 0 var area:Float= 0 println ( "Input 1 for to Calculate Area of Circle" ) println ( "Input 2 for to Calculate Area of Rectangle" ) println ( "Input 3 for to Calculate Area of Triangle" ) print ( "Please Input Your Number :" ) choice=scala.io.StdIn.readInt() choice match { case 1 => print ( "Input radious of circle :" ) r=scala.io.StdIn.readInt() area=( 3.14 *r*r).toFloat case 2 => print ( "Input length of rectangle :" ) l=scala.io.StdIn.readInt() print ( " \n Input width of rectangle :" ) w=scala.io.StdIn.readInt() area=(l*w).toFloat case default => print ( "Input base of triangle :" ) b=scala.io.StdIn.readInt() print ( " \n Input height of triangle :" ) h=scala.io.St...

Dinuka Kasun Medis

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