+import java.awt.Toolkit;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.StringSelection;
+import java.awt.datatransfer.Transferable;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.MouseEvent;
+
+import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
+import javax.swing.JPopupMenu;
+import javax.swing.SwingUtilities;
+