+import java.awt.BorderLayout;
+import java.awt.Button;
+import java.awt.Choice;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Frame;
+import java.awt.Label;
+import java.awt.Panel;
+import java.awt.Toolkit;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;