object HelloWorld {
def main(args: Array[String]) {
var days = Array("Poniedziałek", "Wtorek", "Sroda", "Czwartek", "Piątek", "Sobota", "Niedziela");
// petla for
for( x <- days){
println( x );
}
println("-------------------")
//petla for z nazwami na p
for( x <- days if x.startsWith("P")){
println(x);
}
println("-------------------")
//petla foreach
days.foreach{
println
}
println("-------------------")
//petla while
println("Petla while:")
var x = 0;
while( x < days.length){
println(days(x))
x += 1;
}
println("-------------------")
//funkcja rekurencyjna
println("funkcja rekurencyjna:")
def printArr( i: Int, arr:Array[String]): Unit = {
if(i<arr.length){
println(arr(i));
printArr(i+1,days)
}
}
printArr(0,days);
println("-------------------")
//funkcja rekurencyjna od konca listy
println("funkcja rekurencyjna od konca listy:")
def printArrRev( i: Int, arr:Array[String]): Unit = {
var j = arr.length - 1;
if(i <= j){
println(arr(j-i));
printArrRev(i+1,days)
}
}
printArrRev(0,days);
println("-------------------")
//metody foldl i foldr
println(days.foldLeft(""){(x,y) => x + y + " "});
println(days.foldRight(" "){(x,y) => x + " " + y});
println(days.foldLeft(""){(x,y) => x + y.startsWith("P")})
println("-------------------")
//Metody foldl wypisując tylko dni z nazwami zaczynającymi się na „P”
//second task
var products = Map("T-shirt" -> 10, "Skirt" -> 30, "Dress" -> 100, "Boots" -> 150, "Jacket" -> 200);
var products2 = products.mapValues(_*0.9)
println(products2)
println("-------------------")
//third task
def PrintTuple( tup: Product): Unit = {
tup.productIterator.foreach(println)
}
var t = ("Hi", 10, true)
PrintTuple(t)
//task four
// var products = Map("T-shirt" -> 10, "Skirt" -> 30, "Dress" -> 100, "Boots" -> 150, "Jacket" -> 200);
def ShowOptions(x: Option[Float]):Any = x match {
case Some(s) => s
case None => "No such element"
}
//var keys = products.keys.toList
val keys = products.keys.toList
val keys2 = "Auto" :: keys
keys2.foreach( x => print(ShowOptions(products.get(x)) + " ") )
// task five
def showDay(x: String) : String = {
var weekendDay: String = "weekendDay"
var workDay: String = "workDay"
x match {
case "Poniedziałek" => workDay
case "Wtorek" => workDay
case "Sroda" => workDay
case "Czwartek" => workDay
case "Piątek" => workDay
case "Sobota" => weekendDay
case "Niedziela" => weekendDay
case _ => "RandomDay"
}
}
days.foreach( x => println(showDay(x)))
//six task
class Konto {
private var stan = 0
def Stan = stan
def this(kwota: Int) {
this()
this.stan = kwota
}
def Wplata(kwota :Int): Unit = {
this.stan += kwota
}
def Wyplata(kwota :Int): Unit = {
if(this.stan - kwota >= 0)
this.stan -= kwota
else
println("Need more money !")
}
}
//task eight
var lista = List(1,2,4,5,0,6,0,4,0,6,0,5,2,3)
def ZeroEraser (lista:List[Int]):List[Int] = {
var newList:ListBuffer[Int] = new ListBuffer()
for(value <- lista)
if(value != 0)
newList += value
return newList.toList
}
println(ZeroEraser(lista))
//task nine
def OneAdder (lst:List[Int]):List[Int] = {
var newList = lst.map(_+1)
return newList
}
println(OneAdder(lst))
}
}
About Online Scala Compiler
Try our Online Scala Compiler (Version Scala v2.11.12) to Edit, Run, and Share your Scala Code directly from your browser. This online development environment provides you the latest version Scala v2.11.12.
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Shortcut | Description |
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Shortcut | Description |
Ctrl + Enter | Run the program |
Ctrl + S | Save Project |
Shift + Ctrl + S | Save As Project |
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Ctrl + Z | Undo Editing |
Ctrl + Y | Redo Editing |
Ctrl + A | Select All Text |
Ctrl + X | Cut Selected Text |
Ctrl + C | Copy Selected Text |
Ctrl + V | Paste Copied Text |
Ctrl + F | Search Text |
Ctrl + H | Replace Text |
Online Scala Compiler: Save and Share Scala Code (Project)
Save Scala Project Online
You can save your Scala Project with us so that you can access this project later on. To save a project you will need to create a login Id with us. So before you save a project, please create a login Id using a link given at the top right corner of this page.
Share Scala Project Online
You can use this feature to share your Scala Code with your teachers, classmates and colleagues. Just click Share Button and it will create a short link, which can be shared through Email, WhatsApp or even through Social Media. A shared link will be deleted if it has been passive for almost 3 months.
More Features of Online Scala Compiler
- Theme – You can change the current editor's theme from the "Editor Theme" option under "Settings" menu.
- Font Size – You can change the font size of the editor /compiler from from the "Font Size" option under "Settings" menu.
- Tab Size – You can change the tab size from the "Tab Size" option under "Settings" Menu.
- Show/Hide Line Numbers – You can show/hide the line number with the code from the "Show Line Numbers" or "Hide Line Numbers" option under "Settings" Menu.
- And, many more.
Benefits of Using Online Scala Compiler
There are several benefits of using the Online Scala Compiler to run your Scala code:
- Platform independence: You can run your code from any device without taking care of operating systems.
- Convenience: You don't need to install anything for using this.
- No setup required: There is no need for additional setup to run your code.
- Updated version: Our online compiler/editors/terminals are the latest up-to-date.