!!! PROGRAMMERS-TO-PROGRAMMERS !!!

List of blogs and forums to find solutions to common Java/JEE technical issues plus nice  tutorials.

http://www.mkyong.com/ 

Quick introduction to many open source frameworks with simple examples

http://www.vogella.com/tutorials.html 

Quick introduction to many open source frameworks with simple examples

Proxy Based AOP Framework 

Implement Your Own Proxy-Based AOP Framework using JDK Dynamic Proxy or CGLib proxy

Code Smells 

Quick intro on code smells in programming.

Spring Web Sessions 

Quick intro on code smells in programming.