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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Fri Aug 23 13:18:16 EDT 2002 --><TITLE>: Class GraphMatrix</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><a href=../copyright.html target=_top>© 1998-2002 McGraw-Hill</a></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../structure/GraphListVertex.html"><B>PREV CLASS</B></A> <A HREF="../structure/GraphMatrixDirected.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="GraphMatrix.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">structure</FONT><BR>Class GraphMatrix</H2><PRE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">java.lang.Object</A> | +--<A HREF="../structure/AbstractStructure.html">structure.AbstractStructure</A> | +--<B>structure.GraphMatrix</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../structure/Graph.html">Graph</A>, <A HREF="../structure/Structure.html">Structure</A></DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../structure/GraphMatrixDirected.html">GraphMatrixDirected</A>, <A HREF="../structure/GraphMatrixUndirected.html">GraphMatrixUndirected</A></DD></DL><HR><DL><DT>public abstract class <B>GraphMatrix</B><DT>extends <A HREF="../structure/AbstractStructure.html">AbstractStructure</A><DT>implements <A HREF="../structure/Graph.html">Graph</A></DL><P>Implementation of graph using adjacency matrices. User must commit to maximum size of graph (in vertices); it may be smaller. Edges are stored in matrix. Not suitable for large graphs. Class is abstract: you must use GraphMatrixDirected or GraphMatrixUndirected to construct particular instances of graphs. Typical usage: <pre> Graph g = new GraphMatrixUndirected(); g.add("harry"); g.add("sally"); g.addEdge("harry","sally","unfriendly"); ... </pre><P><DL><DT><B>See Also: </B><DD><A HREF="../structure/GraphMatrixDirected.html"><CODE>GraphMatrixDirected</CODE></A>, <A HREF="../structure/GraphMatrixUndirected.html"><CODE>GraphMatrixUndirected</CODE></A>, <A HREF="../structure/GraphList.html"><CODE>GraphList</CODE></A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../structure/Edge.html">Edge</A>[][]</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#data">data</A></B></CODE><BR> The edge data.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../structure/Map.html">Map</A></CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#dict">dict</A></B></CODE><BR> Translation between vertex labels and vertex structures.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#directed">directed</A></B></CODE><BR> Whether or not graph is directed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../structure/List.html">List</A></CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#freeList">freeList</A></B></CODE><BR> List of free vertex indices within graph.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected int</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#size">size</A></B></CODE><BR> Number of vertices in graph.</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#GraphMatrix(int, boolean)">GraphMatrix</A></B>(int size, boolean dir)</CODE><BR> Constructor of directed/undirected GraphMatrix.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#add(java.lang.Object)">add</A></B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> label)</CODE><BR> Add a vertex to the graph.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#addEdge(java.lang.Object, java.lang.Object, java.lang.Object)">addEdge</A></B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> v1, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> v2, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> label)</CODE><BR> Add an edge between two vertices within the graph.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#clear()">clear</A></B>()</CODE><BR> Remove all vertices (and thus, edges) of the graph.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#contains(java.lang.Object)">contains</A></B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> label)</CODE><BR> Test for vertex membership.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#containsEdge(java.lang.Object, java.lang.Object)">containsEdge</A></B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> vLabel1, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> vLabel2)</CODE><BR> Test for edge membership.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#degree(java.lang.Object)">degree</A></B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> label)</CODE><BR> Determine out degree of vertex.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract int</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#edgeCount()">edgeCount</A></B>()</CODE><BR> Determine the number of edges in graph.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/Iterator.html">Iterator</A></CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#edges()">edges</A></B>()</CODE><BR> Construct an traversal over all edges.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#get(java.lang.Object)">get</A></B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> label)</CODE><BR> Get reference to actual label of vertex.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../structure/Edge.html">Edge</A></CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#getEdge(java.lang.Object, java.lang.Object)">getEdge</A></B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> label1, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> label2)</CODE><BR> Get reference to actual edge.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#isDirected()">isDirected</A></B>()</CODE><BR> Determine if graph is directed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#isEmpty()">isEmpty</A></B>()</CODE><BR> Determine if graph is empty.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../structure/GraphMatrix.html#isVisited(java.lang.Object)">isVisited</A></B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> label)</CODE>⌨️ 快捷键说明
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