Programming, database, scripting, libraries, and markup languages
Java 1.02 through 1.8 including J2EE, JavaScript, CSS, HTML, Bootstrap, jQuery and jQuery UI, Spring, Spring Integration, Hibernate, JDBC, Java Server Pages (JSP) and servlets (under IBM WebSphere, JBoss, and Apache Tomcat), Struts, applets, Java Advanced Imaging (JAI), JavaBeans, and foundation classes such as JFC (Swing) and IFC, some GWT, Apex, RMI, C and some C++, XML, WSDL, SQL, SOQL, SOSL, ASP, Visual Basic and VBA, COM, PERL, and many others.