--- old/src/java.desktop/share/classes/javax/swing/plaf/TabbedPaneUI.java	2015-04-07 15:49:53.682546063 -0700
+++ new/src/java.desktop/share/classes/javax/swing/plaf/TabbedPaneUI.java	2015-04-07 15:49:53.514546059 -0700
@@ -35,7 +35,25 @@
  * @author Amy Fowler
  */
 public abstract class TabbedPaneUI extends ComponentUI {
+    /**
+     * Returns the tab for the coordinate.
+     * @param pane the pane
+     * @param x the x coordinate
+     * @param y the y coordinate
+     * @return the tab for the coordinate
+     */
     public abstract int tabForCoordinate(JTabbedPane pane, int x, int y);
+    /**
+     * Returns the rectangle for the tab bounds.
+     * @param pane the pane
+     * @param index the index
+     * @return the rectangle for the tab bounds
+     */
     public abstract Rectangle getTabBounds(JTabbedPane pane, int index);
+    /**
+     * Returns the tab run count.
+     * @param pane the pane
+     * @return the tab run count
+     */
     public abstract int getTabRunCount(JTabbedPane pane);
 }