import java.awt.*;import java.applet.*;import javax.swing.*;import java.awt.event.*;public class A2 extends JApplet...{String s="";GraphicsEnvironment e = GraphicsEnvironment.getLocalGraphicsEnvironment();String[] f = e.getAvailableFontFamilyNames();JComboBox box = new JComboBox(f);JTextField txt = new JTextField(20);public void init()...{ this.getContentPane().setLayout(new FlowLayout()); this.add(box); box.addItemListener(new myEvent()); this.add(txt); this.setBackground(Color.pink); txt.setFont(new Font(box.getItemAt(0).toString(),Font.BOLD,box.getFont().getSize())); txt.setText(box.getItemAt(0).toString());}class myEvent implements ItemListener...{ public void itemStateChanged(ItemEvent e) ...{ if(e.getStateChange()==ItemEvent.SELECTED) ...{ txt.setFont(new Font(box.getSelectedItem().toString(),Font.BOLD,box.getFont().getSize())); s=box.getSelectedItem().toString(); txt.setText(s); } }}}下面是html文件:<HTML><HEAD></HEAD><BODY BGCOLOR="000000"><CENTER><APPLETcode = "A2.class"width = "800"height = "550" ></APPLET></CENTER></BODY></HTML>