-public class AnnotationLabels extends Panel implements ActionListener,
- MouseListener, MouseMotionListener
+import java.awt.Checkbox;
+import java.awt.CheckboxMenuItem;
+import java.awt.Color;
+import java.awt.Cursor;
+import java.awt.Dimension;
+import java.awt.FlowLayout;
+import java.awt.FontMetrics;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.MenuItem;
+import java.awt.Panel;
+import java.awt.PopupMenu;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.InputEvent;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.util.Arrays;
+import java.util.Collections;
+
+public class AnnotationLabels extends Panel
+ implements ActionListener, MouseListener, MouseMotionListener