Singly and doubly linked list (Java)

Question

Is LinkedList from java.util doubly linked list? And do i need to implement my own singly linked list or there is any class for this in java.util?

Just can't find straight answers over web.

Answer 1

From the LinkedList API documentation :

All of the operations perform as could be expected for a doubly-linked list.

Unless memory is an issue, a double-linked list is sufficient to meet all the needs that a single-linked list can meet.