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%\title{The Stepping Stones to Object-oriented Programming}
\title{Teaching\\ Object-Oriented Design and Programming}
\author{Karl J. Lieberherr\\
Northeastern University, College of Computer Science\\
Cullinane Hall, 360 Huntington Ave., Boston MA 02115\\
lieber@ccs.neu.edu}

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%\centerline{Copyright \copyright 1988 Karl Lieberherr}
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\begin{abstract}
This is an expanded form of the paper:
``Contributions to teaching object-oriented design and programming'',
with Arthur Riel,
{\em Proceedings of Conference on Object-Oriented Programming Systems,
Languages and Applications}, New Orleans, LA, October 1989, pp 11-22.

We provide a formal agenda for teaching the object-oriented
paradigm in a programming language independent manner, and a tool
which supports our teaching approach.  Our 
proposal for a comprehensive study of the subject includes an ordered
set of objectives designed to guide the uninitiated user from zero knowledge
about object-oriented programming through class definitions, inheritance,
subtyping, and 
% finally the most powerful level of data abstraction, 
the
parameterization of classes.  This set of graded objectives provides both a
useful metric for gauging a student's progress, and a facility through 
which users can begin their studies at a level commensurate with their 
experience.  
%In addition to the set of objectives we provide a programming
%language independent meta-tool called \demsign\ which is capable of 
%performing many of the lower-level objectives automatically.
\end{abstract}

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\noindent
{\bf Keywords:} Teaching object-oriented design, 
teaching object-oriented programming, behavioral objectives, C++, Flavors.