References for core and detail knowledge of technologies related to Java

JSR – http://jcp.org/en/jsr/platform

Java – http://java.sun.com/docs/books/jls/third_edition/html/j3TOC.html

J2EE5 – http://download.oracle.com/docs/cd/E17477_01/javaee/5/tutorial/doc/docinfo.html

JVM – http://java.sun.com/docs/books/jvms/second_edition/html/VMSpecTOC.doc.html

JSP – http://jcp.org/aboutJava/communityprocess/final/jsr152/index.html

JSF – http://jcp.org/aboutJava/communityprocess/final/jsr252/index.html

EJB2 – http://jcp.org/aboutJava/communityprocess/final/jsr019/index.html

EJB3 – http://jcp.org/aboutJava/communityprocess/final/jsr220/index.html

EJB3.1 – http://jcp.org/aboutJava/communityprocess/final/jsr318/index.html

JSTL – http://jcp.org/aboutJava/communityprocess/final/jsr052/index.html

Servlets – http://jcp.org/aboutJava/communityprocess/final/jsr053/index.html

JDBC  – http://jcp.org/aboutJava/communityprocess/final/jsr054/index.html

Web services – http://jcp.org/aboutJava/communityprocess/final/jsr109/index.html