JSP2.0, Servlets2.4, Struts1.2, XML, XSLT, JAXB, Web Services SOAP and RESTful (Axis-X, JAX-RS, JAX-WS, Apache CXF), EJB 2.x, JPA, Hibernate 3.x, Spring 3.x, JMS, JDBC, Java Security (JCA, SSL, JAAS, PKI), Reporting Engines (BIRT& Jasper), Design Patterns, Quartz API, JUnit and Jmockit