jbuilder求教

Question

1.this.setIconImage();
2.
  this.getContentPane().setLayout(borderLayout1);
        jLabelIcon.setText("jLabel1");
        ImageIcon ii = new ImageIcon(Toolkit.getDefaultToolkit().createImage(csdn.Frame.Frame.class.getResource("saili1.gif")));
        jLabelIcon.setIcon(ii);
        this.getContentPane().add(jPanelLabel, BorderLayout.NORTH);
        jPanelLabel.add(jLabelIcon, null);