import javax.swing.table.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
 
public class Main extends JFrame
{
   public Main() {
      JTable table = new JTable(100, 5);
 
      TableColumn tm = table.getColumnModel().getColumn(0);
      tm.setCellRenderer(new ColorColumnRenderer(Color.lightGray, Color.blue));
 
      getContentPane().add(new JScrollPane(table));
  
      addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent we) {
            System.exit(0);
         }
      });
   }
 
   public static void main(String [] args) {
      Main main = new Main();
      main.setSize(400, 400);
      main.setVisible(true);
   } 
} 
 
/**
* Applied background and foreground color to single column of a JTable
* in order to distinguish it apart from other columns.
*/ 
class ColorColumnRenderer extends DefaultTableCellRenderer 
{
   Color bkgndColor, fgndColor;
 	
   public ColorColumnRenderer(Color bkgnd, Color foregnd) {
      super(); 
      bkgndColor = bkgnd;
      fgndColor = foregnd;
   }
  	
   public Component getTableCellRendererComponent
	    (JTable table, Object value, boolean isSelected,
	     boolean hasFocus, int row, int column) 
   {
      Component cell = super.getTableCellRendererComponent
         (table, value, isSelected, hasFocus, row, column);
 
      cell.setBackground( bkgndColor );
      cell.setForeground( fgndColor );
     
      return cell;
   }
}