Sorting data in JTable

"Lukasz" <>
16 Aug 2006 05:12:40 -0700

page, section "Sorting and Otherwise Manipulating Data" I downloaded
the and implemented it into my test applet:

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.awt.Dimension;
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;

public class Sort extends Applet implements ActionListener {

  JButton push;
  JTable tabela;
  String[] data = {"First Name", "Last Name"};
  String[][] values = new String[145][2];
  JFrame ram;
  JScrollPane scrollPane;

public void init() {

  setBackground(new Color(204, 206, 209));

  push = new JButton("Push");
  push.setBounds(10,10, 100, 25);

public void actionPerformed(ActionEvent e) {
  if (e.getSource() == push) {

   TableSorter sorter = new TableSorter(new Model());
   tabela = new JTable(sorter);
   tabela.setPreferredScrollableViewportSize(new Dimension(450, 250));
   scrollPane = new JScrollPane(tabela);

class Model extends AbstractTableModel {

  String[] data = {"First Name", "Last Name"};
  Object[][] values = {
  {"mary", "Campione"},
  {"alison", "Huml"},
  {"Kathy", "Walrath"},
  {"Sharon", "Zakhour"},
  {"Philip", "Milne"}

 public int getColumnCount() {
  return data.length;

 public int getRowCount() {
  return values.length;

 public String getColumnName(int col) {
  return data[col];

 public Object getValueAt(int row, int col) {
  return values[row][col];

 public Class getColumnClass(int c) {
  return getValueAt(0, c).getClass();

<APPLET CODE="Sort.class" WIDTH=1000 HEIGHT=1000></APPLET>

When every name or surname from values array starts with big letter,
sorting works fine. When it starts with small letter, this value is not
taken to sorting. I tried in LEXICAL_COMPARATOR in to
put ignoreCase() and toLowerCase(), but the result was still the same.

 Anyone has an idea, what to change in to have a
properly working sorting?

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