Choice choiceList popup list of choices

Choice choiceList popup list of choices
java code

import java.awt.*;
import java.awt.event.ItemListener;
import java.awt.event.ItemEvent;
import java.applet.Applet;

public class ChoiceExample extends Applet 
                        implements ItemListener {
    Choice choiceList; //popup list of choices
    Label labelObj;

    public void init() {
        choiceList = new Choice();
        choiceList.addItem("A1");
        choiceList.addItem("B1");
        choiceList.addItem("C1");
        choiceList.addItem("D1");

        choiceList.addItemListener(this);

        labelObj = new Label();
        setLabelText(choiceList.getSelectedIndex(), 
                     choiceList.getSelectedItem());

        //Add components to the Applet. 
        add(choiceList);
        add(labelObj);
    }

    void setLabelText(int num, String text) {
        labelObj.setText("Item #" + num + " selected. "
                    + "Text = \"" + text + "\".");
    }
        
    public void itemStateChanged(ItemEvent e) {
        setLabelText(choiceList.getSelectedIndex(),
                     choiceList.getSelectedItem());
    }
}