import java.awt.*;
import java.awt.event.*;
public class TestTFAction {
public static void main(String[] args) {
new TFFrame();
}
}
class TFFrame extends Frame {
TFFrame() {
TextField tf = new TextField();
add(tf);
tf.addActionListener(new TFActionListener());
tf.setEchoChar('*');
pack();
setVisible(true);
}
}
class TFActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
TextField tf = (TextField) e.getSource();
System.out.println(tf.getText());
tf.setText("");
}
}
摘自 Yours风之恋