About SCWCD 5 there is a lot of information already available.
And then you'll have to make a decision about which one attend!
SCJP 6 | OCPJWCD6
Joined: Jun 22, 2011
If you have already prepared for OCWCD 5.0, please go for it.
AS OCWCD 6.0 have new topics :
More options for the Model
[ ] Understand the roles of JDBC and JPA
[ ] Understand the many elements that make up the model
[ ] Understand fundamentals of connecting to a database using JDBC or JPA
Asynchronous web applications
[ ] Understand the interactions that are essential to asynchronous web pages
[ ] Understand the role of AJAX-style client side programming
[ ] Implement asynchronous servlets using the facilities of Java EE 6