[Eranga]

Try this,

Code:

import java.awt.AWTException;
import java.awt.Image;
import java.awt.Menu;
import java.awt.MenuItem;
import java.awt.PopupMenu;
import java.awt.SystemTray;
import java.awt.Toolkit;
import java.awt.TrayIcon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

/**
 *
 * @author Eranga Tennakoon
 */
public class rameshraj {

    TrayIcon trayIcon;
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        new rameshraj().trayIconTest();
    }
    
    private void trayIconTest() {
        if (SystemTray.isSupported()) {
            try {
                SystemTray tray = SystemTray.getSystemTray();
                
                ActionListener exitListener = new ActionListener(){
                    public void actionPerformed(ActionEvent e){
                        System.exit(0);
                    }
                };
                
                PopupMenu popup = new PopupMenu();
                MenuItem _one = new MenuItem("Exit");
                Menu _two = new Menu("Item_Two");
                
                _one.addActionListener(exitListener);
                
                popup.add(_one);
                popup.add(_two);
                
                Image image = Toolkit.getDefaultToolkit().getImage("RADAR.png");
                trayIcon = new TrayIcon(image, "Java", popup);
                trayIcon.setImageAutoSize(true);

                
                tray.add(trayIcon);
            }
            catch (AWTException e) 
            {
                System.err.println("TrayIcon could not be added.");
            }
        }
        else {
            System.err.println("SystemTray is not supported.");
        }
    }

}