Java's Swing Pull-down Menu implementation Method _java

This article describes the Java Swing Pull-down menu implementation method. Share to everyone for your reference. Specifically as follows:

Import java.awt.*;
Import javax.swing.*;
Import java.awt.event.*;
public class Test extends JApplet
implements itemlistener{
  JLabel JTF;
  ImageIcon A1, a2, A3;
  public void init () {
    Container ContentPane = Getcontentpane ();
    Contentpane.setlayout (New FlowLayout ());
    JComboBox JC = new JComboBox ();
    Jc.additem ("6");
    Jc.additem ("7");
    Jc.additem ("8");
    Jc.additemlistener (this);
    Contentpane.add (JC);
    JTF = new JLabel (New ImageIcon ("D:/data/images/6.gif"));
    Contentpane.add (JTF);
  }
  public void itemstatechanged (ItemEvent ie) {
    string s = (string) ie.getitem ();
    Jtf.seticon (New ImageIcon ("d:/data/images/" +s+ ". gif"));
  }

I hope this article will help you with your Java programming.