class writer extends client additional

Question

class Writer extends Client
{
   // additional members
   private boolean technical = false;
   private boolean government = false;
   private boolean international = false;
   private String rank;
   
   public Writer()
   {
      super();
      technical = false;
      government = false;
      international = false;
      rank = "undefined";
   }
  
   public Writer(String str_name, long annualIncome, double cut,
         boolean tech, boolean gov, boolean inter, String rnk)
   {
      super(str_name, annualIncome, cut);
    
      if (tech)
         technical = true;
      if (gov)
         government = true;
      if (inter)
         international = true;
      if (!SetRank(rnk))
         rank = "undefined";
   }
  
   public boolean SetWriter(String str_name, long annualIncome, double cut,
         boolean tech, boolean gov, boolean inter, String rnk)
   {
      if (!SetClient(str_name, annualIncome, cut))
         return false;
      if (!tech)
         return false;
      if (!gov)
         return false;
      if (!inter)
         return false;
      if (!SetRank(rnk))
         return false;
     
      return true;
   }
  
   String GetRank() { return rank; }
  
   public boolean SetRank(String rnk)
   {
      if (rnk != "staff writer" && rnk != "story editor"
            && rnk != "co-producer" && rnk != "producer"
            && rnk != "co-executive producer" && rnk != "executive producer")
         return false;
      rank = rnk;
      return true;
   }
  
   public String ToShow()
   {
      String output = "\nBackground in:" + "\n technology:\t\t" + technical
            + "\n government/politics:\t" + government
            + "\n travel experience:\t" + international + "\n rank\t\t\t" + rank;
      return output;
   }
  
   public void Display()
   {
     
      System.out.println(super.ToShow() + " " + ToShow());
   }
}