/* * 1.1 version. */ import java.applet.*; import java.awt.*; import java.awt.event.*; import java.util.Enumeration; public class GetApplets extends Applet implements ActionListener { private TextArea textArea; private String newline; public void init() { Button b = new Button("Click to call getApplets()"); b.addActionListener(this); setLayout(new BorderLayout()); add("North", b); textArea = new TextArea(5, 40); textArea.setEditable(false); add("Center", textArea); newline = System.getProperty("line.separator"); } public void actionPerformed(ActionEvent event) { printApplets(); } public String getAppletInfo() { return "GetApplets by Kathy Walrath"; } public void printApplets() { //Enumeration will contain all applets on this page //(including this one) that we can send messages to. Enumeration e = getAppletContext().getApplets(); textArea.append("Results of getApplets():" + newline); while (e.hasMoreElements()) { Applet applet = (Applet)e.nextElement(); String info = ((Applet)applet).getAppletInfo(); if (info != null) { textArea.append("- " + info + newline); } else { textArea.append("- " + applet.getClass().getName() + newline); } } textArea.append("________________________" + newline + newline); } }