Developer.java

class Developer {
  // this field will be included
  @Expose
  private String name;
  private  String classz;
  List<String> languagesKnown;
  
  public Developer() {
    name = "ajduke";
    languagesKnown = new ArrayList<>();
    languagesKnown.add("Java");
    languagesKnown.add("Scala");
    languagesKnown.add("Ruby");
  }
}