jTable1.addMouseListener(new MouseAdapter() {
    public void mousePressed(MouseEvent me) {
        JTable table =(JTable) me.getSource();
        Point p = me.getPoint();
        int row = table.rowAtPoint(p);
       
        PupolsInputform pup = new PupolsInputform();
        
        if (me.getClickCount() == 2) {
            
            String[] result = new String[table.getColumnCount()];
            
            for(int i=0;i<table.getColumnCount(); i++)
            {
      
               pup.getTextField(i).setText(table.getModel().getValueAt(row, i).toString());
               
            }
        
           pup.setVisible(true);
            
        }
    }
});