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发信人: BlueBoy (蓝孩), 信区: Program
标题: The Essence of Object-Oriented Programming--1
发信站: BBS 荔园晨风站 (Fri Mar 24 20:25:24 2000), 转信

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The Essence of Object-Oriented Programming
Copyright ? 1998, Bruce E. Wampler

Preface
I have been developing software for over 20 years. Most of that software was
for the PC marketplace. That means that my code has had to do a useful job, do
it with as few bugs as possible, and be passed on to others for continued
development. It has
also meant that I've had to be efficient and practical. I'm now out of the PC
software business, and want to share some of my practical experience with other
programmers.
Object-oriented programming in C++ or Java can really make a difference when
developing programs. While it won't solve all the problems of software
development, it makes the development easier, and the long-term maintenance
much easier. It can result in
real productivity gains, and is worth the effort to learn.
Until recently, I've been teaching software engineering to computer science
students at the University of New Mexico. Just like many of you, the Computer
Science Department was in the process of changing to object orientation and
C++. Because of this
transition, I found myself in the position helping students who started out
knowing basic programming make the transition to true object orientation. I
tried to make that transition as rapid and painless as possible for my students,
and with this book,
I hope I can help you, too.
The goal of this book is to introduce you to the essence of object orientation
without overwhelming you with all the details of a specific object-oriented
development methodology, or by basing it exclusively on C++. I've found that
learning to use C++,
Java, or any other object-oriented programming language effectively comes much
more easily if you first get a good understanding objects or object-oriented
design. This book is not intended to be the last one you read on object
orientation, C++, or
Java. Instead, it should give you the essential understanding of objects so you
can read more advanced and detailed books on the topic with greater purpose.
I want things to be easy and practical. I have tried to pass on some of the
things I've learned over the years. I hope this short tutorial will help you
get up to speed with objects as quickly as possible.
Bruce E. Wampler

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