Java SE материалы

Документация по JDK

Java Platform Standard Edition 7
Java SE 6
JDK 5.0
Java 2 SDK, Standard Edition version 1.4.2

Tutorials

The Java Tutorials
Brian Goetz Publications
Tips for LDAP Users (Table of Content)

Concurrency

Java Concurrency / Multithreading - Tutorial
Java theory and practice: Introduction to nonblocking algorithms (Brian Goetz)
Java theory and practice: Going atomic (Brian Goetz)
Java theory and practice: Stick a fork in it, Part 1 - Learn how to exploit fine-grained parallelism using the fork-join framework coming in Java 7
Java theory and practice: Stick a fork in it, Part 2 - Accelerate sorting and searching with the ParallelArray classes in Java 7
Shutdown Hooks in Java? How are they used?
The "Double-Checked Locking is Broken" Declaration

Generics

Going wild with generics, Part 1 (rus)
Going wild with generics, Part 2

Enums

Enum Tricks: Dynamic Enums
Enum tricks: hierarchical data structure

JVM, Classloaders etc...

Java classloaders..
Сериализация как она есть
Пишем свой загручик java-классов