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Create Choice control and implement ItemListener

Submitted by Rahimv on Sat, 08/21/2010 - 18:10

/*
Choice Control:-
~~~~~~~~~~~~~~
 Choice() throws java.awt.HeadlessException;
Methods:-
~~~~~~~
    public int getItemCount();
    public int countItems();
 public String getItem(int);
 final String getItemImpl(int);
    public void add(String);
    public void addItem(String);
 public void insert(String, int);
    public void remove(String);
    public void remove(int);
    public void removeAll();
 public synchronized String getSelectedItem();
    public synchronized Object getSelectedObjects()[];
    public int getSelectedIndex();
    public synchronized void select(int);
    public synchronized void select(String);
    public synchronized void addItemListener(ItemListener);
*/
 
import java.awt.event.*;
import java.applet.*;
import java.awt.*;
 
/*
<applet CODE = "ChoiceDemo" Height = 400 Width = 400>
</applet>
*/
public class  ChoiceDemo extends Applet implements ItemListener
{
 Choice IceCream;
 Choice Pizza;
 String Itms;
 
 public void init()
 {
  IceCream = new Choice();
  Pizza = new Choice();
 
  // Add Items in IceCream List
  IceCream.add("Venila");
  IceCream.add("Mango");
  IceCream.add("Cherry");
 
  // Add Items in Pizza List
  Pizza.add("Italian");
  Pizza.add("Maxican");
  Pizza.add("American");
 
  add(IceCream);
  add(Pizza);
  IceCream.addItemListener(this);
  Pizza.addItemListener(this);
 
 }
 
 public void itemStateChanged(ItemEvent ie)
 {
  repaint();
 }
 
 public void paint(Graphics g)
 {
  Itms = "Your Order : ";
  Itms += IceCream.getSelectedItem();
  Itms += " : ";
  Itms += Pizza.getSelectedItem();
  g.drawString(Itms, 50, 150);
 }
}