import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class Action8_4 extends Frame implements ActionListener
{
	Label label;
	TextField td1,td2;	
	public Action8_4()
	{
		label=new Label("注册用户姓名：");
		td1=new TextField(8);
		td2=new TextField(24);
		this.setLayout(new FlowLayout());
		this.add(label);
		this.add(td1);
		this.add(td2);
		td1.addActionListener(this);
	}	
	public void actionPerformed(ActionEvent e)
	{
		td2.setText("欢迎您，已经注册的用户："+td1.getText());
	}
	public static void main(String[] args) 
	{
		Action8_4 frame=new Action8_4();
		frame.pack();
		frame.setVisible(true);
	}
}
