Where and what sorting algorithm code to be put so that the name is displayed in the table is in ascending order

the codes are:

// TODO add your handling code here: if(txtname.getText().equals("")||txtsurname.getText().equals("")||txtage.getText().equals("")){ JOptionPane.showMessageDialog(this, "Please enter all data"); }else{ String data[]= {txtname.getText(),txtsurname.getText(), txtage.getText() }; DefaultTableModel tblModel= (DefaultTableModel)jTableExport.getModel(); tblModel.addRow(data); JOptionPane.showMessageDialog(this, "Data added successfully"); txtname.setText(""); txtsurname.setText(""); txtage.setText("");