Differences in Java, Hibernate, Springs

In, Understanding, many topics understanding differences with other similar things make their understanding easy, so here are few topics

Difference between get() and post() methods.

Difference between sendRedirect() and forward().

Difference between forward() and include().

Difference between UrlRewriting and encodeUrl.

Difference between ArrayList and LinkedList.
Difference between ArrayList andVector.
Difference between HashSet and HashMap.

Difference between HashMap and HashTable.

Difference between iterator and Enumerator.

Difference between iterator and ListIterator.

Difference between fail-fast and fail-safe-iterator.

Difference between session and sessionFactory.

Difference between get() and load().

Difference between save() and persist() in hibernate.

Difference between save() and update().

Difference between update() and merge().

Difference between subStr() and subString().

Difference between “==” and equals().

Difference between StringBuffer and string builder.

Still working on few differences so, some of the links might not work.

I will add a separate list for the database related differences soon....

I will keep adding to the list...so keep visiting to get more information.