求助？？
我刚学JAVA，请问如何响应按钮事件？
输入姓名，班级，按“确定”按钮，在temp文本框中显示出输入的姓名和班级，怎么做？
谢谢!!
import java.applet.*;
import java.awt.*;
public class a2 extends Applet implements ActionListener
{
public void init()
{
setLayout(new GridLayout(3,0));
Panel p1 = new Panel();
p1.setLayout(new GridLayout(2,2));
Label lblname =new Label("姓名",Label.CENTER);
Label lblclass = new Label("班级",Label.CENTER);
TextField txtname = new TextField();
TextField txtclass = new TextField();
p1.add(lblname);
p1.add(txtname);
p1.add(lblclass);
p1.add(txtclass);
add(p1);
TextArea temp =new TextArea();
add(temp);
Button bok= new Button("确定");
bok.setSize(50,50);
add(bok);
bok.addActionListener(this);
String name,cla;
name=txtname.getText();
cla=txtclass.getText();
}
public void actionPerformed(ActionEvent e)
{
}
}
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