Vector Vs ArrayList

http://javapapers.com/core-java/java-collection/difference-between-vector-and-arraylist-in-java/

Why can't static methods be overridden ?

http://www.geeksforgeeks.org/can-we-overload-or-override-static-methods-in-java/

Spring Interview Questions

http://www.tutorialspoint.com/spring/pdf/spring_interview_questions.pdf

Spring Annotations

http://javapapers.com/spring/spring-component-service-repository-controller-difference/

http://docs.spring.io/docs/Spring-MVC-step-by-step/part6.html

Exception Handling in Java

https://today.java.net/pub/a/today/2003/12/04/exceptions.html

All permutations of a string

Thread Local

http://java.dzone.com/articles/java-thread-local-%E2%80%93-how-use

http://javapapers.com/core-java/threadlocal/