try {
        FileReader fR = new FileReader("table.txt");
       BufferedReader br = new BufferedReader(fR);
        String firstLine = br.readLine().trim();
        String[] columnsName = firstLine.split(",");
        DefaultTableModel model = (DefaultTableModel)jTable1.getModel();
        model.setColumnIdentifiers(columnsName);
        Object[] tableLines = br.lines().toArray();
        for(int i = 0; i < tableLines.length; i++)
        {
            String line = tableLines[i].toString().trim();
            String[] dataRow = line.split("/");
            model.addRow(dataRow);

        }
                    jTable1.setAutoCreateRowSorter(true);

    } catch (IOException ex) {
        Logger.getLogger(NewJFrame3.class.getName()).log(Level.SEVERE, null, ex);
    }