... Module 7: Essentials of Object- OrientedProgramming
Object- OrientedProgramming
Object- orientedprogramming arose to alleviate these problems. Object- oriented
programming, if understood ... Essentials of Object- OrientedProgramming
What Is an Object?
An object is an instance of a class
Objects exhibit:
Identity: Objects are distinguishable from one another
Behavior: Objects ... procedural programming and
towards object- orientedprogramming is to combine the data and the functions
into a single entity.
10 Module 7: Essentials of Object- OrientedProgramming
Using...
... Welcome to the world of object - orientedprogramming and C#! The primary goal of this book is
to use the C# programming language from Microsoft to teach you object - oriented programming,
or OOP. ... begins with a non - programming - language introduction to object - oriented programming. The
goal of that chapter is to present the concept of objects first and then ease into how objects may be ... Beginning C# 3.0 : an introduction to objectorientedprogramming / Jack Purdum.
p. cm.
Includes index.
ISBN 978-0-470-26129-3 (paper/website)
1. Object- orientedprogramming (Computer science) 2....
... be an object reference
2
Procedural vs. Object- Oriented
Programming
The unit in procedural programming is function,
and unit in object- orientedprogramming is class
Procedural programming ... from the operations that manipulate the
data, while object- orientedprogramming focus on
both of them
figure1: procedural figure2: object- oriented
4
Class Members
A class can have three ... concentrates on creating
functions, while object- orientedprogramming
starts from isolating the classes, and then look
for the methods inside them.
Procedural programming separates the data of the...
... to many objects
ã
All through a base pointer
Message takes on many forms
ã
Summary
Base-pointer to base -object, derived-pointer
to derived
ã
Straightforward
Base-pointer to derived object
ã
Can ... (base,
derived)
–
Base pointer aimed at base object
Derived pointer aimed at derived object
ã
Both straightforward
Base pointer aimed at derived object
ã
is a relationship
Circle is a Point
ã
Will ... base -object
ã
Compiler error
ã
Allowed if explicit cast made (more in section
10.9)
2003 Prentice Hall, Inc. All rights reserved.
4
!"#
$%!"
ã
Aim pointers (base, derived) at objects...
... (e)
73.
ans: (b)
16.
ans: (e)
reason:
The _fastcall keyword is reserved for
programming under Windows and OS/2.
17.
ans: (a)
reason:
The strcmp returns 0 if zone==target,...
... Support Object- Oriented
Concepts?
Okay, how does C# implement object- oriented programming? In a sense, this
is the wrong question. C# is an object- oriented language; however, it doesn’t
implement object- oriented ... asking so many stupid questions? ”
215
Chapter 10: Object- OrientedProgramming — What’s It All About?
17_597043 ch10.qxd 9/20/05 2:04 PM Page 215
220
Part IV: Object- OrientedProgramming
17_597043 ... nachos
ᮣ
Reviewing the basics of object- oriented programming
ᮣ
Getting a handle on abstraction and classification
ᮣ
Understanding why object- orientedprogramming is important
T
his chapter answers the musical...
...
■
OBJECT- ORIENTED PROGRAMMING
89
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Object- Oriented Programming
O
bject -oriented programming is the third major programming paradigm. At its heart,
object- oriented ... (except from
System .Object) .
Object Expressions
Object expressions are at the heart of succinct object- orientedprogramming in F#. They pro-
vide a concise syntax to create an object that inherits ... System.Windows.Forms
CHAPTER 5
■
OBJECT- ORIENTED PROGRAMMING
86
7575Ch05.qxp 4/27/07 1:02 PM Page 86
printfn
"myObject.state = %i, myObject.otherState = %i"
myOtherObject.state
myOtherObject.otherState
T
he...
... to switch the way you think about
programming to use the object- orientedprogramming paradigm.
What Is an Object- Oriented System?
Just what is an object- oriented system? What makes an OO system ... witnessed over
the years, object- orientedprogramming has seemed to me the most
significant in terms of how much easier it makes the programming
task. Object- orientedprogramming in Java or C++ ...
This book is mostly about object- oriented programming. Primarily,
that means it will focus on general principals of object- oriented
programming that apply to any programming language. But this...
... v
___________________________________________________________________________
Preface
No programming technique solves all problems.
No programming language produces only correct results.
No programmer should start each project from scratch.
Object- orientedprogramming ... with them.
This book is not going to praise object- orientedprogramming or condemn the
Old Way. We are simply going to use
ANSI
-C to discover how object- oriented pro-
gramming is done, what its ... "new.h"
#include " ;Object. h"
#include "Set.h"
int main ()
{ void * s = new(Set);
void * a = add(s, new (Object) );
void * b = add(s, new (Object) );
void * c = new (Object) ;
if (contains(s,...