textfielddemo.java

这是我们上java课时自己编的几个测试小程序

/**
 * @(#)TextFieldDemo.java
 *
 *
 * @author 
 * @version 1.00 2007/11/4
 */
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class TextFieldDemo extends Applet implements ActionListener
{	TextField name,password;
	public void init()
	{	Label namep=new Label("Name: ",Label.RIGHT);
		Label passwordp=new Label("Password:",Label.RIGHT);
		name=new TextField(12);
		password=new TextField(8);
		password.setEchoChar('*');
		add(namep);
		add(name);
		add(passwordp);
		add(password);
		name.addActionListener(this);
		password.addActionListener(this);	
	}
public void actionPerformed(ActionEvent ae)
{
repaint();	
}
public void paint(Graphics g)
{
g.drawString("Name:"+name.getText(),6,60);
g.drawString("Selected text in name:"+name.getSelectedText(),6,80);
g.drawString("Password:"+password.getText(),6,100);	
}
}