Singly and doubly linked list (Java)

Singly and doubly linked list (Java)

References

Reference NO 1

http://en.wikipedia.org/wiki/Linked_list

Reference NO 2

http://stackoverflow.com/questions/15205898/singly-and-doubly-linked-list-java

Reference NO 3

http://stackoverflow.com/questions/4208579/singly-linked-list-to-doubly-linked-list

Reference NO 4

http://www.cs.wcupa.edu/~rkline/ds/linked-lists.html

Reference NO 5

http://social.msdn.microsoft.com/Forums/vstudio/en-US/270bebdb-9032-4fc1-97c6-bc017d7e0a45/action?threadDisplayName=when-to-use-single-linked-list-and-when-to-use-double-linked-list

Reference NO 6

http://www.cs.cmu.edu/~adamchik/15-121/lectures/Linked%20Lists/linked%20lists.html

Reference NO 7

http://www.dreamincode.net/forums/topic/143089-linked-list-tutorial/

Reference NO 8

http://wiki.answers.com/Q/Difference_between_Single_and_Doubly_Linked_List