... learn
object- oriented software development.
The goal of this book is to introduce you to theessenceofobject
orientation without overwhelming you with all the details of a
specific object- oriented ... this book. The various
features oftheUML will be introduced as needed.
The Payoff of Objects
Object orientation can lead to big payoffs in the software
development game. An object- oriented ... reflects the current values of all the attributes of a
given object, and is the result ofthe behavior of an object over
time.
Java programs are defined as collections of classes. Normally each
Java...
... could use either the surname ofthe family or the number of
the house. To distinguish data in different areas of memory, we could give the
data a name or use the numeric memory address ofthe first ... fundamentals ofprogrammingand can create and
use classes competently, you can then explore theJava language and object- ori-
ented programming to a much greater depth. Chapters 6 and 7 cover the topics
of ... exe-
cution. The compiler is resident in the memory ofthe computer and uses the
Java source program code as input data. The output from the compiler is the
same program, now represented by a set of Java...
... you! In the “without-identity” outcome, the waiter goes to the kitchen and
tells the chef the name ofthe dish, andthe chef then cooks another copy of
that dish by using another set ofthe same ... USE
******************************
The whole structure of C# is based on the object- orientedprogramming model.
To make the most effective use of C# as a language, you need to understand the
nature of object- oriented programming. ... to:
Define the terms objectand class in the context of object- oriented
programming.
Apply the concept of abstraction.
Topic Objective
To provide an overview of
the topics covered...
... Using Object References 35
Object- orientedProgrammingwith COBOL
If you code the AS clause, the Compiler uses the value ofthe literal as
the external name ofthe class program; otherwise ... starts withthe analysis ofthe problem andthe design of a
program or programs that solve the problem. Object- oriented design
involves identifying the objects that you want to work withand what ... 23
Object- orientedProgrammingwith COBOL
change the internals of how theobject represents and operates on
data, without affecting the rest ofthe system.
Classes
A class is a definition of...
... program
Welcome to the world of object- orientedprogrammingand C#! The primary goal of this
book is to use the C# programming language from Microsoft to teach you object- oriented
programming, or OOP. ... click the label object in the Toolbox, and
while holding the left mouse button down, drag the label over to the form and release the mouse
button. Second, you can simply double-click the label object ... available to you there.
Back in the 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...
... composite ofthe wheel objects, the engine object, the
blade object, and so on. In fact, the engine object is a composite of many other objects. There
are many examples of aggregation in the world ... grasp of object- oriented programming. Now is the time to become acquainted
with the fundamentals of object- orientedprogramming before transitioning to the current ver-
sion of VB andthe .NET ... in the early 1980s as a response to the need for a standard, systematic
way of modeling the design of object- oriented software. It consists of a series of textual and
graphical models of the...
... 39 of 50
Defining Objects
■
exampleclass object1 ,object2 ; defines two objects,
object1 and object2 , of class exampleclass.
■
The definition actually creates objects that can be used by the ...
object2 .member_function1(350);
object2 .member_function2();
}
ObjectOriented
Programming with C++/
Session 1/ 2 of 50
Session Objectives
■
Discuss the following:
•
The Object- Oriented approach
•
Drawbacks of traditional ... traditional programming
•
Object- Oriented programming
■
Discuss basic Object- Oriented concepts such as:
•
Objects
•
Classes
•
Properties
ObjectOriented
Programming with C++/
Session 1/ 28 of 50
Felines...
... a constant
Object Oriented
Programming with C++/
Session 2/ 25 of 37
Objects and functions in memory
Each object has its own copy ofthe data
members ofthe class.
All the objects in ... initialisation of an object.
Has the same name as the class it belongs
to.
Can declare and define constructors within
the class, or declare them within the class
and define them outside ... index = 5;} //error
Object Oriented
Programming with C++/
Session 2/ 29 of 37
The count is common
Count:
3 cars in the race
Object Oriented
Programming with C++/
Session 2/ 28 of 37
Example
class...
... procedural andthe other
is object oriented. You can even write procedural code in PHP5 and it will run
without any problems. If you are not clear about procedural andobjectoriented
programming, then ...
for real objectoriented programming. In PHP4 you can create objects but you can't
feel the real avour of an object there. In PHP4 it was almost a poor object model.
One ofthe main differences ... somewhat comparable with a data
structure, data structure, and can incorporate a lot of other objects in itself and either
creates a tight coupling among them or a loose one. Andobject can incorporate...
... Overloading and
References
Session 3
Object Oriented
Programming with C++/
Session 3/ 4 of 35
Functions
A function declaration gives:
•
the name ofthe function
•
the type ofthe value returned ...
The ampersand (&) tells the compiler to treat the variable
as a reference to the actual variable passed from the
calling function
Object OrientedProgrammingwith C++/ Session 3 / 1 of ... d.data;}
};
All the member functions of class beta can
access the private data members of alpha.
However, the public member functions ofthe
class alpha cannot access the private
members ofthe class...
... are objects of a class.
Object OrientedProgrammingwith C++/ Session
4/ 43 of 49
Conversion between Objects (Contd.)
objectA = objectB;
objectA: objectof destination class
objectB: objectof ... (Contd.)
■
The operator + can access two objects
•
object on the left side ofthe operator, obj1,
is the one that will invoke the function
•
object on the right hand side, obj2, is taken as
the argument ... member function ofthe source class (i.e.
the right hand side ofthe assignment operator)
■
Or it can be a member function ofthe destination
class (i.e., the left-hand side ofthe assignment...
... the name ofthe
object ofthe class engine is written after the
colon. It tells the compiler to initialise the eobj
data member of class jet withthe value in y.
Similar to declaring an object ... public
and protected members; they cannot access the
private members ofthe base class.
• In conformance withthe object- oriented concept of
information hiding.
No access to some ofthe class ... function ofthe base class and also adding
new members to the derived class.
• The base class remains unchanged in the process.
Object Oriented
Programming with C++/
Session 5 / 4 of 41
Single...
... His145Asn
mutations on the affinity of metal binding
to arginase II
To further examine the effects ofthe His120fiAsn
and His145fiAsn mutations on the interaction of the
enzyme with manganese ions, ... both before and after the incubation with
the manganese ions.
Fully active His120Asn and His145Asn variants
exhibited about 53% and 95% ofthe corresponding
wild-type activity, withthe K
m
value ... His145, and the
corresponding His101 and His126 in arginase I, were
described among the ligands for coordination of
Mn
2+
A
and Mn
2+
B
, respectively [9,24]. However, the
volume ofthe active...