The code could be found at http://www.cs.colorado.edu/~main/chapter2/
 

point class includes three files

    The Header file point.h

    The Implementation file point.cxx

    The user file (test file) pointmain1.cxx

    Demo in Visual C++ point.dsw, point.dsp
 

NEW point class includes three files

    The Header file newpoint.h

    The Implementation file newpoint.cxx

    The user file (test file) pointmain2.cxx

    Demo in Visual C++ newpoint.dsw , newpoint.dsp