... it to say that C# provides you with a robust object - orientedprogramming language and an
impressive set of tools to tackle almost any programming task. Whether you wish to develop desktop, ... text begins with a non - programming - language introductiontoobject - oriented programming. The
goal of that chapter is to present the concept of objects first and then ease into how objects ... Started
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, ...
... what objects can and cannot do. An object
is called an
instance of a class. Anobject is an instance of exactly one class. An
instance of a class belongs to the class. The two
Bicycle objects ... method
getMaximumSpeed.
1. Draw anobject diagram of an Account objectwith instance methods deposit
and withdraw.
2. Is the getObstacleDistance method an instance or a class method?
1.3 Class and Instance Data Values
Suppose ... CustomerMoto-2 : BicycleMoto-1 : Bicycle
An object name is followed
by the class name.
Figure 1.2 Two Bicycle objects with the names Moto-1 and Moto-2 and one Customer objectwith the name
Jon Java.
class
instance
A...
... Book?
programming with Java, and now want to understand the
fundamentals of object- oriented software development. If you're
fairly new to programming, and have had a class or two in Java, ... over and are used for OO development, object- oriented
designs are inherently easier to design and maintain over time.
Object- Oriented Languages
There are several object- orientedprogramming languages ... Payoff of Objects
Object orientation can lead to big payoffs in the software
development game. An object- oriented design is likely to be simple
and easy to understand. Once designed, you can often...
... understand the fundamentals of programming and can create and
use classes competently, you can then explore the Java language and object- ori-
ented programmingto a much greater depth. Chapters 6 and ... Audience
Object- OrientedProgrammingwithJava is written for first-year college/univer-
sity programming courses worldwide. It introduces you to object- oriented
design and programming and can be used ... this book are:
■
javac—the Java Language Compiler that you use to compile programs
written in the Javaprogramming language into bytecodes.
■
java the Java Interpreter that you use to run programs...
... programmer who wants to gain a foun-
dation in object- orientedprogramming along with the VB language basics. Programmers
transitioning from a procedural -oriented programming model toan object- oriented ... concepts of object- oriented programming
methodology and design.
This book provides you with the information needed to understand how you go about archi-
tecting an object- orientedprogramming ... First, to provide you with the information needed to understand the fundamentals
of programmingwith Visual Basic. Second and more importantly, to present you with the
information required to master...
... objects.
An account object is said to be an instance of the account class, or an
instance object, or simply an instance.
A class is a programming language construct, while anobject is an
entity ... the handle in the
object reference. For example:
invoke anObject "message"
• Copy anobject reference to another. For example:
set anObject1 to anObject2
• Test whether two object ... refer to the same object. For
example:
if anObject1 = anObject2
Micro Focus
Extension
• Test whether anobject reference refers toanobject of a particular
class. For example:
if anObject1...
... Dark Ages of programming, you had to load and run a programming editor to write the
program’s source code. Next, you had to close the editor and load the language compiler program
to check the ... program
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. This ... you had to load an assembler program to convert
the source code to assembly language. Finally, you had to load and run a linker program to combine
all the elements of your program into an executable...
... Move
Polygon objects
ObjectOriented
Programming with C++/
Session 1/ 24 of 50
Class Animals and its subclasses
Animals
Insects Mammals
Reptiles
Amphibians
ObjectOriented
Programming with C++/ ... approach
•
Drawbacks of traditional programming
•
Object- Oriented programming
■
Discuss basic Object- Oriented concepts such as:
•
Objects
•
Classes
•
Properties
ObjectOriented
Programming with C++/
Session ... longer to master than C++. It is
syntactically very simple.
ObjectOriented
Programming with C++/
Session 1/ 10 of 50
Introduction to OOP
■
OOP allows for analysis and design of an application...
...
arguments.
Object Oriented
Programming with C++/
Session 2/ 11 of 37
Pointers to objects
Pointers can point to objects as well as to
simple data types.
Declaring a pointer toanobject of ... belongs
to.
Can declare and define constructors within
the class, or declare them within the class
and define them outside just as any other
member functions.
Object Oriented
Programming with ... declaring a
pointer to a variable of any data type.
At the time we write the program we do not
know how many objects we want to create.
Object Oriented
Programming with C++/
Session 2/...
...
Reusability: Anobject is an entity which has bundles of properties and
methods and can interact with other objects. Anobject can be sufcient or it
may have dependencies over other objects. But anobject ... Ajmera
Proofreader
Damian Carvill
Production Coordinator
Shantanu Zagade
Cover Designer
Shantanu Zagade
Object- OrientedProgramming
with PHP5
Learn to leverage PHP5's OOP features to write
manageable ... class, and if we want to access
it from within the function, we must refer to it with $this. $this means a reference
to current instance of this object. So we can access the body property with...
...
referring to and will indicate an error.
Object Oriented
Programming with C++/
Session 3/ 31 of 35
Passing references (Contd.)
Do not think of a reference as a pointer to
an object. A reference ... should
be overloaded.
Object Oriented
Programming with C++/
Session 3/ 30 of 35
Passing references to functions
A reference provides an alias or an alternate name for an
object.
void swap(int& ... xyz);
};
Object Oriented
Programming with C++/
Session 3/ 2 of 35
Session Objectives
Understand the concept of functions with
default arguments
Define and use Friend functions
•
advantages
•
disadvantage
•
friend...
... obj1 and obj2 are objects of a class.
Object OrientedProgrammingwith C++/ Session
4/ 43 of 49
Conversion between Objects (Contd.)
objectA = objectB;
objectA: object of destination class
objectB: ... ss.str);
}
Object OrientedProgrammingwith C++/ Session
4/ 8 of 49
The Operator function
■
Operator function: Contains actual instructions
to overload an operator. The operator that has to
be ... type Sample.
Object OrientedProgrammingwith C++/ Session
4/ 7 of 49
Advantage
■
Makes programs easier to read and debug.
■
Easy to understand that two objects are being
added and the result...
... pointer to the base.
•
For example, because a Manager is an
Employee, a Manager* can be used as an
Employee*. However, an Employee*
cannot be used as a Manager*.
Object Oriented
Programming with ... Base(){}
Object Oriented
Programming with C++/
Session 5 / 3 of 41
Single Inheritance
To maintain and reuse class objects easily,
we need to be able to relate classes of
similar nature to another. ... jet with the value in y.
Similar to declaring anobject of class engine
with the statement,
engine eobj(y);
Variables of any data type can be initialised like
this.
Object Oriented
Programming...
...
base classes.
Object OrientedProgrammingwith C++ / Session
6 / 27 of 44
Virtual functions(Contd.)
■
We want to be able to use the function call to draw a
square or any other object depending ... multiple
inheritance.
Object OrientedProgrammingwith C++ / Session
6 / 13 of 44
Ambiguity (Contd.)
■
It is upto the programmer to avoid such
conflicts and ambiguities.
■
Can be resolved by ...
functions cannot be used to define anobject
called an abstract class.
■
Only useful as a base class to be inherited into
a useable derived class.
■
No objects of an abstract class can be
created....