Jtable background????

Question

I wirte Jtable and then using sort and filter to this table. sort and filter are working fine but the backgound color for each column is not changed.
the code like this
package test;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.RowFilter;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableColumn;
import javax.swing.table.TableModel;
import javax.swing.table.TableRowSorter;
import timelineveiwer.TableColor;
public class test {
public static void main(String args[]) {
JFrame frame = new JFrame("Regexing JTable");
TableColor tableColor = new TableColor();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Object rows[][] = { { "File", "About", 44.36 }, { "Internet", "Boy", 44.84 }, { "File", "Cat", 463.63 },
{ "D", "Day", 27.14 }, { "File", "Eat", 44.57 }, { "F", "Fail", 23.15 },
{ "File", "Good", 4.40 }, { "H", "Hot", 24.96 }, { "File", "Ivey", 5.45 },
{ "J", "Jack", 49.54 }, { "File", "Kids", 280.00 } };
String columns[] = { "Symbol", "Name", "Price" };
TableModel model = new DefaultTableModel(rows, columns) {
public Class getColumnClass(int column) {
Class returnValue;
if ((column >= 0) && (column < getColumnCount())) {
returnValue = getValueAt(0, column).getClass();
} else {
returnValue = Object.class;
return returnValue;
final JTable table = new JTable(model);
final TableRowSorter<TableModel> sorter = new TableRowSorter<TableModel>(model);
((DefaultTableModel)model).fireTableDataChanged();
table.setRowSorter(sorter);
JScrollPane pane = new JScrollPane(table);
frame.add(pane, BorderLayout.CENTER);
     for(int i = 0;i<3;i++){
          TableColumn tcol = table.getColumnModel().getColumn(i);
     tcol.setCellRenderer(tableColor);
JPanel panel = new JPanel(new BorderLayout());
JLabel label = new JLabel("Filter");
panel.add(label, BorderLayout.WEST);
final JTextField filterText = new JTextField("A");
panel.add(filterText, BorderLayout.CENTER);
frame.add(panel, BorderLayout.NORTH);
JButton button = new JButton("Filter");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
     TableColor tableColor1 = new TableColor();
String text = filterText.getText();
if (text.length() == 0) {
sorter.setRowFilter(null);
} else {
sorter.setRowFilter(RowFilter.regexFilter(text));
frame.add(button, BorderLayout.SOUTH);
frame.setSize(300, 250);
frame.setVisible(true);
import java.awt.Color;
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
public class TableColor extends DefaultTableCellRenderer{
public Component getTableCellRendererComponent(
          JTable table, Object value, boolean isSelected,
          boolean hasFocus, int row, int col)
          Component comp = super.getTableCellRendererComponent(
          table, value, isSelected, hasFocus, row, col);
          String s = table.getModel().getValueAt(row, 0).toString();
          if(s.equalsIgnoreCase("Internet"))
          comp.setBackground(Color.pink);
          else if(s.equalsIgnoreCase("File"))
          comp.setBackground(Color.yellow);
          else {
               comp.setBackground(Color.green);
          return( comp );
please help me..thanks....

Answer 1

If you look at the source code for DefaultTableCellRenderer.getTableCellRendererComponent then you will see how the cell colours are selected based on focus/selection/editability.
Then you can write your own TableCellRenderer to take control of these things.