Remove Duplicates from Sorted Linked List

Given a sorted linked list, remove all duplicates such that each element appear only once.

In this tutorial, I have explained a java code to remove all occurrences of duplicates from a sorted linked list.

Remove duplicate elements from sorted array -

If you are not familiar with linked list, then watch this tutorial on what is linked list? Array vs Linked List.

[ashwath]

what if there are more than 2 duplicates, like this: 1-> 2-> 2-> 2-> 3 where there are 2's thrice...

[timefly]

can you provide a solution of deleting all the duplicates from sorted list?
ex- before: 1->2->3->3->3->4->null
after removing: 1->2->4->null