The Java EE 6 Tutorial
    
U
 
 UnavailableException class ( Index Term Link )
 
 undeploying, modules and applications ( Index Term Link )
 
 unified expression language, See EL
 
 Uniform Resource Identifiers (URIs) ( Index Term Link )
 
 URI path parameters ( Index Term Link )
 
 URI path templates ( Index Term Link ) ( Index Term Link )
 
 user-data-constraint element ( Index Term Link )
 
 user data constraints ( Index Term Link ) ( Index Term Link )
 
 users ( Index Term Link )
  adding to GlassFish Server ( Index Term Link )
  managing ( Index Term Link )
 
 UserTransaction interface ( Index Term Link ) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  message-driven beans ( Index Term Link )
 
 using pages ( Index Term Link )
 
 utility classes ( Index Term Link )