import javax.swing.JInternalFrame;

import java.awt.event.*;
import java.awt.*;

/* Used by InternalFrameDemo.java. */
public class MyInternalFrame extends JInternalFrame {
   
    public MyInternalFrame() {
        super("Document",  true, true, true, true );
        setSize(900,600);
        setLocation(0, 0);
    }
}