Thanks to all ranchers for their help, threads in this forun helps me a lot. I use Andrew's book (i learned a lot of concepts ). I hope get some marks but i'm happy to have learned from this certificacion.
General Con: 100 90 - I have no idea GUI: 40 26 - Maybe i will show my interface to some other people to improve it. Network Server: 40 20 - I use RMI instead of sockets, first i begin wiht a RMI factory and later i remove this factory, maybe the code was not clear in this change.
In the other topics i get all marks (in my locking mechanism i use reentrant lock and was qualified good).
I read the HFDP and maybe it could me help in implementation of my solution, i will make some changes ... I advice this book and Andrew's book.
Again thanks to all ranchers for their help.
SCJP, SCJD, now studying for SCWCD and working to be a better person
I think i lost some point in my gui because some posts talk about show your gui to some other people to improve it (usability, elements disposition, etc). I didn't do that for some reasons (i now know this would be better) the main is i haven't time. In sun results only talk about score, nothing of reasons for that score. I didn't know if is allowed show my gui for the confidentiality of the exam and the rules of Javaranch , but i can describe this. In the top i put centered the search elements (labels and textfields for name and location) and additionally i put combo boxes to store results of last searches, bellow i put my table and aligned to the rigth i put a textfield to enter the customer id and two buttons, one for book and another to unbook. Maybe distributions was not good or i didn't think in some aspect to improve the usability or looking.
I'm new to JavaRanch, and I wish to take the SCJD cert. How do I make good use of the Ranch, where do I start? I have Deitel and Deital's "Learning Java." What book are you referring to Gabriel...Andrew's Book?
Thanks to everyone , i continue happy for this certification. Rosana, books available to prepare the exam are in these link SCJD Faq and the book i refer to is The Sun Certified Java Developer Exam with J2SE 5: paper version from amazon, softcopy from apress (I copy these link from Andrew's posts )