If you are going to do both anyway do the SCWCD first - mainly because you'll probably wrap that one up in less time. However the SCWCD is certainly not necessary for the SCDJWS; the cross-over is minimal according to
Val's SCDJWS Specifications-Objectives Matrix i.e.
SCDJWS Objectives:
8.3 Given a scenario, implement
J2EE based web service web-tier and/or EJB-tier basic security mechanisms, such as mutual authentication, SSL, and access control.
Servlet 2.4 specification: Chapter 12 (Security)
9.1 Describe the steps required to configure, package, and deploy J2EE Web services and service clients, including a description of the packaging formats, such as .ear, .war, .jar, deployment descriptor settings, the associated Web services
Servlet 2.4 specification: Chapter 13.1.1 (Packaging and Deployment of JAX-RPC Components), 13.4 (Deployment Descriptor Diagram)
For the SCWCD all you need is the
Head First Servlets and JSP: Passing the Sun Certified Web Component Developer Exam (SCWCD) (aka Head First SCWCD) and the specs:
JSR-000152 JavaServer PagesTM 2.0 Specification (Final Release)JSR-000154 JavaTM Servlet 2.4 Specification (Final Release)JSR-000052 A Standard Tag Library for JavaServer PagesTM (Maintenance Release) Preparation for SCDJWS is a bit more involved:
Comparing "JAVA WEB SERVICES ARCHITECTURE" with RMH Any good study guide for SCDJWS? I.M.H.O. preparitions for passing the exam How to read RMH What is the proper web service tool that i can use in the preparation for the exam?