getcolumn Names in sqlite

       SqliteHelper sh = new SqliteHelper(Mainmenuactivity);
        Cursor c = sh.readvalues("information");
        String []names = c.getColumnNames();
        StringBuffer str=new StringBuffer();
       
        for(int i=0;i<names.length;i++){
           
            str.append(names[i]);
           
        }
       
        Toast.makeText(Mainmenuactivity, str.toString(),Toast.LENGTH_SHORT).show();