30-08-2011, 12:31 PM
Code:
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
/*
<applet code="ListDemo" width=300 height=300>
</applet>
*/
public class ListDemo extends Applet implements ActionListener
{
String msg = " ";
List os,browser;
public void init()
{
os = new List(4,true);
browser = new List(4,true);
os.add("Window 98");
os.add("Window NT");
os.add("Solaris");
os.add("MacOS");
browser.add("Netscape 1.1");
browser.add("Netscape 2.x");
browser.add("Netscape 3.x");
browser.add("Netscape 4.x");
browser.add("Internet Explorer 2.0");
browser.add("Internet Explorer 3.0");
browser.add("Internet Explorer 4.0");
browser.add("Lynx 2.4");
add(os);
add(browser);
os.addActionListener(this);
browser.addActionListener(this);
}
public void actionPerformed(ActionEvent ae)
{
repaint();
}
public void paint(Graphics g)
{
int idx[];
msg = "Current OS ";
idx = os.getSelectedIndexes();
for(int i=0; i<idx.length;i++)
msg += os.getItem(idx[i]) + " ";
g.drawString(msg,6,120);
msg = "Current Browser ";
msg += browser.getSelectedItem();
g.drawString(msg,6,140);
}
}