src/share/classes/javax/swing/JWindow.java

@@ -313,11 +313,11 @@
      * Note: When used with {@code JWindow}, {@code TransferHandler} only
      * provides data import capability, as the data export related methods
      * are currently typed to {@code JComponent}.
      * <p>
      * Please see
-     * <a href="http://docs.oracle.com/javase/tutorial/uiswing/dnd/index.html">
+     * <a href="https://docs.oracle.com/javase/tutorial/uiswing/dnd/index.html">
      * How to Use Drag and Drop and Data Transfer</a>, a section in
      * <em>The Java Tutorial</em>, for more information.
      *
      * @param newHandler the new {@code TransferHandler}
      *