DefaultListModel model = new DefaultListModel();
      List<String> strings = new ArrayList<>();
      try
        {
           BufferedReader reader = new BufferedReader(new FileReader("name.txt"));
           String line;
           while ((line = reader.readLine()) != null) {
             strings.add(line);      
            }
        }
      catch(IOException ex){}
      Collections.sort(strings);
      for(int i=0;i<strings.toArray().length;i++)
      model.addElement(strings.get(i));
      jList1.setModel(model);