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<b>Data Structures and Algorithms 
with Object-Oriented Design Patterns in C++</b><br>
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<H2><A NAME="SECTION008120000000000000000">Linked List Implementation</A></H2>
<A NAME="seclistslistp">&#160;</A>
<P>
This section presents a pointer-based implementation of ordered lists.
Program&nbsp;<A HREF="page168.html#proglist2h" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/page168.html#proglist2h"><IMG  ALIGN=BOTTOM ALT="gif" SRC="cross_ref_motif.gif" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/icons/cross_ref_motif.gif"></A> declares the <tt>ListAsLinkedList</tt> class.<A NAME="tex2html345" HREF="footnode.html#10541" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/footnode.html#10541"><IMG  ALIGN=BOTTOM ALT="gif" SRC="foot_motif.gif" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/icons/foot_motif.gif"></A>
Like its array-based counterpart <tt>ListAsArray</tt>,
the <tt>ListAsLinkedList</tt> class is a concrete class
derived from the abstract base class <tt>List</tt>.
The sets of member functions comprising the public interfaces
of the <tt>ListAsArray</tt> and <tt>ListAsLinkedList</tt> classes are identical.
<P>
<P><A NAME="10542">&#160;</A><A NAME="proglist4h">&#160;</A> <IMG WIDTH=575 HEIGHT=219 ALIGN=BOTTOM ALT="program10118" SRC="img801.gif" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/img801.gif"  ><BR>
<STRONG>Program:</STRONG> <tt>ListAsLinkedList</tt> Class Definition<BR>
<P><BR> <HR>
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<LI> <A NAME="tex2html4101" HREF="page178.html#SECTION008121000000000000000" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/page178.html#SECTION008121000000000000000">Member Variables</A>
<LI> <A NAME="tex2html4102" HREF="page179.html#SECTION008122000000000000000" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/page179.html#SECTION008122000000000000000">Inserting and Accessing Items in a List</A>
<LI> <A NAME="tex2html4103" HREF="page180.html#SECTION008123000000000000000" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/page180.html#SECTION008123000000000000000">Finding Items in a List</A>
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<LI> <A NAME="tex2html4105" HREF="page182.html#SECTION008125000000000000000" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/page182.html#SECTION008125000000000000000">Positions of Items in a List</A>
<LI> <A NAME="tex2html4106" HREF="page183.html#SECTION008126000000000000000" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/page183.html#SECTION008126000000000000000">Finding the Position of an Item and Accessing by Position</A>
<LI> <A NAME="tex2html4107" HREF="page184.html#SECTION008127000000000000000" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/page184.html#SECTION008127000000000000000">Inserting an Item at an Arbitrary Position</A>
<LI> <A NAME="tex2html4108" HREF="page185.html#SECTION008128000000000000000" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/page185.html#SECTION008128000000000000000">Removing Arbitrary Items by Position</A>
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