textfieldtest.java

针对越来越多的用户喜欢JAVA

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class TextFieldTest extends Applet implements ActionListener
{
    TextField t1=new TextField(20);
    Button b1=new Button("欢迎");
    Button b2=new Button("谢谢");
    public void init()
    {
	  add(t1);
	  add(b1);
	  add(b2);
	  b1.addActionListener(this);
	  b2.addActionListener(this);
    }  
    public void actionPerformed(ActionEvent e)
    {
	  String s1=new String("欢迎进入Java世界!");
	  String s2=new String("谢谢!");
	  if (e.getSource()==b1)
	     t1.setText(s1);
	  if (e.getSource()==b2)
	     t1.setText(s2);
     } 
}