Technologies

JDK, J2SE, J2ME, JavaSE, JavaEE, JavaFX, Groovy
AWT, Swing, Applets, Java Beans
JNDI, JCE, JavaMail, JMF, JMS, JMX, JTA, JAXP, JiBX, JAAS, OC4J, JNI, RMI, JDBC, JCO, JCA
Servlets, JSP, J2EE, JavaEE5, EJB
Spring and all modules, dependency injection, inversion of control
Struts 1 and 2, JSF, SpringMVC, Grails, Cocoon, Velocity, Tapestry, JSTL, JoSSO, Axis 1.x, Axis 2.x
ORM: JPA, Hibernate, TopLink, JDO, GORM
Adapters, Connectors, JCA, Neco/XHTML
JavaCC, SableCC
Java WebStart
Ant, Maven, xUnit, Jenkins, Continuum, Bamboo
SQL, ODBC / JDBC, ADO, BDE, DAO, OCI, PL/SQL, OLAP, ETL, BI, Data integration
ORM - Object-Relational Mapping - JPA, Hibernate, TOPLink, JDO, GORM, nHibernate, ASP.Net EntityFramework, Propel, GreenDao, ORMLite
AJAX (including prototype.js, dojo, ExtJS (Sencha), jQuery, YUI, mootools, jQuery, AngularJS, Backbone.js, Ember.js, ReactJS and other original frameworks)
DHTML/CSS
XML / XSL / XSLT, XSL-FO, SVG
DOM, SAX
CORBA / DCOM / SOAP / REST
Encryption: RSA, MD5/SHA, Blowfish/Twofish, IDEA, RC2/RC4, GOST, elliptic curves, etc.; SSL, HTTPS, TLS, OpenSSL
LDAP, SAP ABAP/4, R/3, JCO
Lotus Notes
Lucene, Solr, AWS CloudSearch, SpinxSearch
TCP/IP protocols: FTP, HTTP, SMTP, POP3, other
Apache modules, CGI, fastCGI, Nginx modules