import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class WelcomeApplet extends Applet implements ActionListener {
Label lblName;
TextField txtName;
TextField txtDisp;
public void init()
{
lblName= new Label("输入你的姓名");
txtName= new TextField(8);
txtDisp= new TextField(20);
add(lblName);
add(txtName);
add(txtDisp);
txtName.addActionListener(this);
}
public void actionPerformed(ActionEvent e)
{
txtDisp.setText(txtName.getText()+"欢迎你来到Java的世界");
}
请问这是什么问题呢,我的环境变量确认没有错
,但是它就是不显示,我是小菜鸟,求教导!!