initframe.bsh

拥有图形界面的

   fr = new JFrame();
   pnl = new JPanel();
   lbl = new JLabel("RMSE: ");
   txt = new JLabel("0");
   pnl.add(lbl);
   pnl.add(txt);
   fr.setContentPane(pnl);
   fr.setTitle("Validation error");
   fr.show();
   fr.pack();