package com.learning;

abstract class Smartphone {

   protected final String name;

   public Smartphone(String name) {
       this.name = name;
   }

   public String getName() {
       return name;
   }
}

class Iphone extends Smartphone {
   public Iphone() {
       super("Iphone");
   }
}

class Nokia extends Smartphone {
   public Nokia() {
       super("Nokia");
   }
}

interface SmartphoneProducer {
   Smartphone produce();
}

final class ChinaProducer implements SmartphoneProducer {
   public Smartphone produce() {
       return new Iphone();
   }
}

final class NonExistentProducer implements SmartphoneProducer {
   public Smartphone produce() {
       return new Nokia();
   }
}