package altosui;
-import java.awt.*;
-import java.awt.event.*;
import javax.swing.*;
-import javax.swing.filechooser.FileNameExtensionFilter;
-import javax.swing.table.*;
-import java.io.*;
-import java.util.*;
-import java.text.*;
-import java.util.prefs.*;
-import java.util.concurrent.LinkedBlockingQueue;
public class AltosLed extends JLabel {
ImageIcon on, off;