Webobject Main extends App{ // Your code here! //creating function using either defDemo( name: String): Either [ String, String] = { // right instance here if (! name. isEmpty) Right( name) else // left instance here Left("Empty String passed!! ") } //calling method to check the output. println(Demo(" ")) println(Demo("Some string we are passing … WebGiven below are the methods that can be used with Scala Option: 1. isEmpty It checks whether the result we got from the option is Empty or Not. It returns a Boolean Value. Example: Code: object Main extends App { def matc (a : Option [String]) = a match { case Some (v) => ("This the the Returned Value "+v) case None => ("Nothing Found") }
scala object extends app does not print anything
WebThe App trait can be used to quickly turn objects into executable programs. Here is an example: object Main extends App { Console.println("Hello World: "+ (args mkString ", ")) } No explicit main method is needed. Instead, the whole class body becomes the “main … Array - Scala Standard Library 2.13.10 - scala.App Int - Scala Standard Library 2.13.10 - scala.App Option - Scala Standard Library 2.13.10 - scala.App Double - Scala Standard Library 2.13.10 - scala.App Long - Scala Standard Library 2.13.10 - scala.App NotImplementedError - Scala Standard Library 2.13.10 - scala.App Any - Scala Standard Library 2.13.10 - scala.App Float - Scala Standard Library 2.13.10 - scala.App List - Scala Standard Library 2.13.10 - scala.App scala.collection.Seq - Scala Standard Library 2.13.10 - scala.App WebSep 16, 2024 · object ApplyFunction extends App { val baeldung: Employee = Employee ( "baeldung" ) } case class Employee(name : String) Copy Looking at the above example, we can see the similarity with the Doubler object that we created previously. Does this then imply that case classes use the apply function? simply 3 tier rolling cart
Making Spring Web Services With Scala - DZone
Webimport scala.util.matching.Regex object Main extends App { // Your code here valstr = "to".r val source = "Hello to all from world" println (strfindFirstIn source) } Output: 4. replaceAllIn () It will replace the string with specified input. Example: Code: import scala.util.matching.Regex object Main extends App { // Your code here! Webobject Main extends App { // Your code here! // here we are creating the ListBuffer object var list = ListBuffer [String] () // assigning values list += "Hello" list += "byr" list += "to all" list += "to all 1" list += "to all 2" list += "to all 3" println (list) } Output: Example #2 WebOct 27, 2024 · Given a file named Hello.scala with these contents: object Hello extends App { println ("Hello, world") } you can compile that source code file directly to a JAR file like this: $ scalac Hello.scala -d Hello.jar That creates Hello.jar, whose contents you can look at … simply 3 wake me up