-import java.awt.CheckboxMenuItem;
-import java.awt.Frame;
-import java.awt.Menu;
-import java.awt.MenuItem;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.ItemEvent;
-import java.awt.event.ItemListener;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.SortedMap;
-import java.util.TreeMap;
-import java.util.Vector;
-
-public class APopupMenu extends java.awt.PopupMenu implements
- ActionListener, ItemListener
+public class APopupMenu extends java.awt.PopupMenu
+ implements ActionListener, ItemListener