Vals, Vars, Attributes and Contructors

  class Person(var name: String, val weight: Int) {
    var age: Int = 0;
  }

  val person = new Person("Anna", 100);

  println(person.name);
  println(person.age);
  println(person.weight);

  person.name = "Horst";
  person.age = 30;
  // Scala Compiler ignoriert fachliche Fehler
  
  // person.weight = 50; geht nicht

  println(person.name);
  println(person.age);
  println(person.weight);