import javax.swing.JInternalFrame;

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

//XXX: Note: setVisible(true) has a different implementation than
//XXX: show().  This seems highly bogus -- the setVisible(true)
//XXX: method was supposed to replace show() -- not add another
//XXX: method.
public class MyInternalFrame extends JInternalFrame {

    static int openFrameCount = 0;
    static final int xOffset = 30, yOffset = 30;

    public MyInternalFrame() {
	super("Document #" + (++openFrameCount), 
	      true, //resizable
	      true, //closable
	      true, //maximizable
	      true);//iconifiable

	//...Create the GUI and put it in the window...
	//...Then set the window size or call pack...
	setSize(300,300);

	//Set the window's location.
	setLocation(xOffset*openFrameCount, yOffset*openFrameCount);
    }
}