import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.table.*;
class ColorRenderer extends JLabel implements TableCellRenderer
{
private String columnName;
public ColorRenderer(String column)
{
this.columnName = column;
setOpaque(true);
}
public Component getTableCellRendererComponent(JTable table, Object value,boolean isSelected, boolean hasFocus, int row, int column)
{
Object columnValue=table.getValueAt(row,table.getColumnModel().getColumnIndex(columnName));
if (value != null) setText(value.toString());
if(isSelected)
{
setBackground(table.getSelectionBackground());
setForeground(table.getSelectionForeground());
}
else
{
setBackground(table.getBackground());
setForeground(table.getForeground());
if (columnValue.equals("1")) setBackground(java.awt.Color.pink);
if (columnValue.equals("2")) setBackground(java.awt.Color.green);
if (columnValue.equals("3")) setBackground(java.awt.Color.red);
if (columnValue.equals("4")) setBackground(java.awt.Color.blue);
}
return this;
}
}
public class TableRowColor2 extends JFrame
{
public TableRowColor2()
{
JTable table=new JTable(new DefaultTableModel(new Object[][]{
{"1","2","3","4"},
{"2","3","4","5"},
{"3","4","5","6"},
{"4","5","6","7"}},
new Object[]{"A","B","C","D"}));
ColorRenderer cr=new ColorRenderer("A");
//Adding this line of code will color only the first column and different colors for
//each row and dont forget to comment the for loop
//table.getColumnModel().getColumn(0).setCellRenderer(cr);
for (int i=0;i table.getColumn(table.getColumnName(i)).setCellRenderer(cr);
JScrollPane scroll=new JScrollPane(table);
this.setContentPane(scroll);
this.setBounds(100,50,300,150);
}
public static void main (String arg[])
{
TableRowColor2 tes = new TableRowColor2();
tes.setVisible(true);
tes.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}