|
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JTextField;
class MyFrame extends JFrame {
JTextField field1;
public MyFrame() {
field1 = new JTextField(10);
getContentPane().add("Center", field1);
addWindowListener(new WindowAdapter() {
public void windowOpened(WindowEvent e) {
field1.requestFocus();
}
});
pack();
setVisible(true);
}
}
public class Main {
public static void main(String[] argv) {
MyFrame myFrame = new MyFrame();
}
}
|
