import java.awt.event.*;
import java.awt.*;
public class TestKeyAdapter {
public static void main(String[] args) {
new MyFrame("xiaopi");
}
}
class MyFrame extends Frame{
MyFrame (String s){
super(s);
Button b = new Button("start");
TextField tf = new TextField(10);
add(tf,"South");
add(b,"North");
pack();
setVisible(true);
b.addActionListen (new ActionListener() {
public void actionPerformed(ActionEvent e){
TextField tf = (TextField)e.getSource();
tf.setText(e.getActionCommand());
}
});
}
}帮我看看那个错误该怎么改.
import java.awt.*;
public class TestKeyAdapter {
public static void main(String[] args) {
new MyFrame("xiaopi");
}
}
class MyFrame extends Frame{
MyFrame (String s){
super(s);
Button b = new Button("start");
TextField tf = new TextField(10);
add(tf,"South");
add(b,"North");
pack();
setVisible(true);
b.addActionListen (new ActionListener() {
public void actionPerformed(ActionEvent e){
TextField tf = (TextField)e.getSource();
tf.setText(e.getActionCommand());
}
});
}
}帮我看看那个错误该怎么改.
import java.awt.*;
public class TestKeyAdapter {
public static void main(String[] args) {
new MyFrame("xiaopi");
}
}
class MyFrame extends Frame{
MyFrame (String s){
super(s);
Button b = new Button("start");
final TextField tf = new TextField(10);add(tf,"South");
add(b,"North");
pack();
setVisible(true);b.addActionListener (new ActionListener() {
public void actionPerformed(ActionEvent e){
//TextField tf = (TextField)e.getSource();
tf.setText(e.getActionCommand());
}
});
}
}
private TextField tf;