The following knowledge is assumed:
Strong Java language skills
Solid grasp of OO principles
Familiarity with classic OO design patterns
Familiarity with servlets and EJB
Some familiarity with JSP
Familiarity with web and distributed object protocols such as HTTP and IIOP
Understanding of fundamental underpinnings of J2EE such as RMI, JDBC, and JNDI
The following knowledge is desirable:
Relational database fundamentals
Understanding of transaction concepts (ACID properties and isolation levels)
Basic understanding of XML and XSLT
Basic understanding of UML, especially class and sequence diagrams
Familiarity with basic Computer Science concepts such as data structures