FULL PRODUCT VERSION :
java version "1.7.0"
Java(TM) SE Runtime Environment (build 1.7.0-b147)
Java HotSpot(TM) Client VM (build 21.0-b17, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.1.7601]

A DESCRIPTION OF THE PROBLEM :
some issues with Nimbus look and feel in RTL

- JTree arrow is not inverted
- the default font for JTabbedPane/JMenu cannot be overridden
UIManager.put("Menu.font" ...
UIManager.put("TabbedPane.font ...

this image shows these issues:
http://i56.tinypic.com/107no20.png



STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
- Create any JTree/JTabbedPane/JMenu

override the default font with:
UIManager.put("Menu.font" , new FontUIResource ( new Font("Tahoma", Font.PLAIN, 11)) );
UIManager.put("TabbedPane.font , new FontUIResource ( new Font("Tahoma", Font.PLAIN, 11)) );

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
- Tahoma is the font for JTabbedPane/JMenu titles
- JTree arrow is RTL
ACTUAL -
- default font is used for JTabbedPane/JMenu titles
- JTree arrow is LTR

REPRODUCIBILITY :
This bug can be reproduced always.