Inner class

inner-class.scala

import scala.collection.mutable.ArrayBuffer

object Main {

  def main(args: Array[String]): Unit = {
    val n1 = new Network
    val n2 = new Network
    
    val loup = n1.join("loup")
    val bob = n2.join("bob")
    
  }

  class Network()
  {
    class Member(val name: String)
    {
      val contacts = new ArrayBuffer[Member]
    }
    
    var members = new ArrayBuffer[Member]
    
    def join(name: String) = {
      val m = new Member(name)
      members += m
      m
    }
    
    
  }
  
  
  
}