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Full Discussion: Java Abstract Classes
Top Forums Programming Java Abstract Classes Post 302926939 by achenle on Friday 28th of November 2014 05:01:15 PM
Old 11-28-2014
No, it's not strictly correct. Your move() method is not abstract - it exists even though it does nothing. Abstract classes (usually) have unimplemented methods:

https://docs.oracle.com/javase/tutor.../abstract.html
 

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SPLDOUBLYLINKEDLIST(3)							 1						    SPLDOUBLYLINKEDLIST(3)

The SplDoublyLinkedList class

INTRODUCTION
The SplDoublyLinkedList class provides the main functionalities of a doubly linked list. CLASS SYNOPSIS
SplDoublyLinkedList SplDoublyLinkedListIteratorArrayAccessCountable Methods o public SplDoublyLinkedList::__construct (void ) o public void SplDoublyLinkedList::add (mixed $index, mixed $newval) o public mixed SplDoublyLinkedList::bottom (void ) o public int SplDoublyLinkedList::count (void ) o public mixed SplDoublyLinkedList::current (void ) o public int SplDoublyLinkedList::getIteratorMode (void ) o public bool SplDoublyLinkedList::isEmpty (void ) o public mixed SplDoublyLinkedList::key (void ) o public void SplDoublyLinkedList::next (void ) o public bool SplDoublyLinkedList::offsetExists (mixed $index) o public mixed SplDoublyLinkedList::offsetGet (mixed $index) o public void SplDoublyLinkedList::offsetSet (mixed $index, mixed $newval) o public void SplDoublyLinkedList::offsetUnset (mixed $index) o public mixed SplDoublyLinkedList::pop (void ) o public void SplDoublyLinkedList::prev (void ) o public void SplDoublyLinkedList::push (mixed $value) o public void SplDoublyLinkedList::rewind (void ) o public string SplDoublyLinkedList::serialize (void ) o public void SplDoublyLinkedList::setIteratorMode (int $mode) o public mixed SplDoublyLinkedList::shift (void ) o public mixed SplDoublyLinkedList::top (void ) o public void SplDoublyLinkedList::unserialize (string $serialized) o public void SplDoublyLinkedList::unshift (mixed $value) o public bool SplDoublyLinkedList::valid (void ) PHP Documentation Group SPLDOUBLYLINKEDLIST(3)
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