*Advanced language constructs
 -Java Generics in greater depth
 -Multi-threading in greater depth
 -Java Annotations

*Distributed Programming APIs/strategies
 -Socket Programming
 -Remote Method invocation
 -servlets/JSP
 -Java + XML technologies
 -JDBC

*Packaging/deployment/testing
 -designing packages
 -javadoc
 -JUnit
 -ant
 -application deployment

*Interesting/Important libraries
 -Swing in greater depth
 -Java Image classes