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<HTML><HEAD>  <TITLE>Appendix A: Quick reference for AP classes</TITLE>  <LINK REL="STYLESHEET" HREF="downey.css" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/downey.css"></HEAD><BODY><H2>Appendix A</H2><H1>Quick Reference for AP classes</H1><P>These class definitions are copied from the College Boardweb page,</P><P><A HREF="javascript:if(confirm('http://www.collegeboard.org/ap/computer-science/html/quick_ref.htm  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.collegeboard.org/ap/computer-science/html/quick_ref.htm'" tppabs="http://www.collegeboard.org/ap/computer-science/html/quick_ref.htm">http://www.collegeboard.org/ap/computer-science/html/quick_ref.htm</A></P><P>with minor formatting changes. This is probably a good time to repeat the following text, also from the College Board web page.</P><BLOCKQUOTE>Inclusion of the C++ classes defined for use in the Advanced Placement Computer Science courses does not constitute endorsement of the other material in this textbook by the College Board, Educational Testing service, or the AP Computer Science Development Committee. The versions of the C++ classes defined for use in the AP Computer Science courses included in this textbook were accurate as of 20 July 1999. Revisions to the classes may have been made sincethat time.</BLOCKQUOTE><BR><BR><H3>A.1 <TT>apstring</TT></H3><PRE>extern const int npos;  // used to indicate not a position in the string// public member functions  // constructors/destructor  apstring();                       // construct empty string ""  apstring(const char * s);         // construct from string literal  apstring(const apstring & str);   // copy constructor  ~apstring();                      // destructor  // assignment  const apstring & operator= (const apstring & str); // assign str  const apstring & operator= (const char * s);       // assign s  const apstring & operator= (char ch);              // assign ch  // accessors  int length() const;                      // number of chars  int find(const apstring & str) const;    // index of first occurrence of str  int find(char ch) const;                 // index of first occurrence of ch  apstring substr(int pos, int len) const; // substring of len chars,                                            // starting at pos  const char * c_str() const;              // explicit conversion to char *  // indexing  char operator[ ](int k) const; // range-checked indexing  char & operator[ ](int k);     // range-checked indexing  // modifiers  const apstring & operator+= (const apstring & str); // append str  const apstring & operator+= (char ch);              // append char  // The following free (non-member) functions operate on strings  // I/O functions  ostream & operator<< ( ostream & os, const apstring & str );  istream & operator>> ( istream & is, apstring & str );  istream & getline( istream & is, apstring & str );  // comparison operators  bool operator== ( const apstring & lhs, const apstring & rhs );  bool operator!= ( const apstring & lhs, const apstring & rhs );  bool operator<  ( const apstring & lhs, const apstring & rhs );  bool operator<= ( const apstring & lhs, const apstring & rhs );  bool operator>  ( const apstring & lhs, const apstring & rhs );  bool operator>= ( const apstring & lhs, const apstring & rhs );  // concatenation operator +  apstring operator+ ( const apstring & lhs, const apstring & rhs );  apstring operator+ ( char ch, const apstring & str );  apstring operator+ ( const apstring & str, char ch );</PRE><BR><BR><H3>A.2 <TT>apvector</TT></H3><PRE>template <class itemType>class apvector// public member functions  // constructors/destructor  apvector();                                 // default constructor (size==0)  apvector(int size);                         // initial size of vector is size  apvector(int size, const itemType & fillValue);  // all entries == fillValue  apvector(const apvector & vec);             // copy constructor  ~apvector();                                // destructor  // assignment  const apvector & operator= (const apvector & vec);  // accessors  int length() const;                            // capacity of vector  // indexing  // indexing with range checking  itemType & operator[ ](int index);             const itemType & operator[ ](int index) const;  // modifiers  void resize(int newSize);               // change size dynamically                                          //can result in losing values</PRE><BR><BR><H3>A.3 <TT>apmatrix</TT></H3><PRE>template <class itemType>class apmatrix// public member functions  // constructors/destructor  apmatrix();                                   // default size is 0 x 0  apmatrix(int rows, int cols);                 // size is rows x cols  apmatrix(int rows, int cols, const itemType & fillValue);                                                // all entries == fillValue  apmatrix(const apmatrix & mat);               // copy constructor  ~apmatrix( );                                 // destructor  // assignment  const apmatrix & operator = (const apmatrix & rhs);  // accessors  int numrows() const;                                  // number of rows  int numcols() const;                                  // number of columns  // indexing  // range-checked indexing  const apvector<itemType> & operator[ ](int k) const;    apvector<itemType> & operator[ ](int k);  // modifiers  void resize(int newRows, int newCols); // resizes matrix to newRows x newCols                                         // (can result in losing values)</PRE></BODY></HTML><BR><DIV CLASS=navigation><HR>  <TABLE ALIGN=center WIDTH="100%" CELLPADDING=0 CELLSPACING=2>  <TR>    <TD>      <IMG WIDTH=32 HEIGHT=32 ALIGN=bottom BORDER=0 ALT=""      SRC="images/blank.gif" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/images/blank.gif">    </TD>    <TD><A HREF="index.html" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/index.html">      <IMG WIDTH=32 HEIGHT=32 ALIGN=bottom BORDER=0 ALT="up"       SRC="images/up.gif" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/images/up.gif"></A>    </TD>    <TD><A HREF="chapter15.html" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/chapter15.html">      <IMG WIDTH=32 HEIGHT=32 ALIGN=bottom BORDER=0 ALT="previous"      SRC="images/previous.gif" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/images/previous.gif"></A>    </TD>    <TD ALIGN=center BGCOLOR="#99CCFF" WIDTH="100%">      <B CLASS=title>How to Think Like a Computer Scientist: Appendix A</B>    </TD>    <TD><A HREF="index.html" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/index.html">      <IMG WIDTH=32 HEIGHT=32 ALIGN=bottom BORDER=0 ALT="contents"      SRC="images/contents.gif" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/images/contents.gif"></A>    </TD>    <TD>      <IMG WIDTH=32 HEIGHT=32 ALIGN=bottom BORDER=0 ALT=""      SRC="images/blank.gif" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/images/blank.gif">    </TD>    <TD>      <IMG WIDTH=32 HEIGHT=32 ALIGN=bottom BORDER=0 ALT=""      SRC="images/blank.gif" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/images/blank.gif">    </TD>  </TR>  </TABLE>  <B CLASS=navlabel>Up:</B>  <SPAN CLASS=sectref><A HREF="index.html" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/index.html">Index</A></SPAN>  <B CLASS=navlabel>Previous:</B>  <SPAN CLASS=sectref><A HREF="chapter15.html" tppabs="http://rocky.wellesley.edu/downey/ost/thinkCS/c++_html/chapter15.html">Chapter 15</A></SPAN>  <HR></DIV></BODY></HTML>
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