public class Index
 {
  public IndexData head;
   
  public Index()
  {
    head = new IndexData(' ');
  }
 
  public void add(String s)
  {
    IndexData refhead = this.head;
    IndexData ref = this.head;
    for(int i = 0;i < s.length();i++)
      {
        ref = new IndexData(s.charAt(i));
        refhead.addChild(ref);
        ref = refhead;
      }   
  }
   
   public static void main(String args[])
    {
      Index head = new Index();
      head.add("‚²‚Ä‚¢‚·");
      System.out.println(head.head.getChild().getID());
      //     System.out.println(dat.getID());
    }
   
 }