e1601.java

java小程序

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import javax.swing.*;
public class E1601 extends JApplet implements ItemListener
{
private Container c;
private String[] font={"Serif","Dialog","Monospaced"};
private JComboBox box=new JComboBox(font);
private JLabel label=new JLabel("字体");
private JLabel label1=new JLabel("Hello World");
public void init()
{
c=getContentPane();
c.setLayout(new FlowLayout(FlowLayout.CENTER));
c.add(label);
box.addItemListener(this);
c.add(box);
label1.setFont(new Font("Serif",Font.PLAIN,30));
c.add(label1);

}
public void itemStateChanged(ItemEvent e)
{
String str;
str=box.getSelectedItem().toString();
label1.setFont(new Font(str,Font.PLAIN,30));
}
}