1:import javax.swing.*;
   2:public class LabelFrame extends JFrame {
   3:    private String text;
   4:    private JLabel label;
   5:    public LabelFrame(String text) {
   6:        super(text);
   7:        label = new JLabel(text);
   8:        getContentPane().add(label);
   9:        setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE);
  10:    }
  11:    
  12:    public static void main(String[] args) {
  13:        LabelFrame f = new LabelFrame("HelloWorld");
  14:        f.setSize(100,100);
  15:        f.setVisible(true);
  16:    }
  17:}
  18: