companion object

companion-object.scala

object Main {

  def main(args: Array[String]): Unit = {
    val p1 = Person.apply("Loup")
    val p2 = Person("Loup")
  }

  class Person(val id: Int, val name: String)
  {
    println("Hello " + name)
  }
  
  object Person
  {
    
    def apply(name : String)
    {
      new Person(0, name)
    }
  }
  
}