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History of C++ Language:

In the early 1970s, Dennis Ritchie of Bell Laboratories was engaged in a project to develop a new operating system. Ritchie discovered that in order to accomplish his task he needed the use of a programming language that was concise and that produced compact and speedy programs. This need led Ritchie to develop the programming language called C.

In the early 1980's, also at Bell Laboratories, another programming language was created which was based upon the C language. This new language was developed by Bjarne Stroustrup and was called C++. Stroustrup states that the purpose of C++ is to make writing good programs easier and more pleasant for the individual programmer. When he designed C++, he added OOP (Object Oriented Programming) features to C without significantly changing the C component. Thus C++ is a "relative" (called a superset) of C, meaning that any valid C program is also a valid C++ program.

There are several versions of the C++ language, of which Visual C++ is only one. Other dialects include Borland C++, Turbo C++, and Code Warrior (Mac). All of these software packages enable you to create computer programs with C++, but they all implement the C++ language in a slightly different manner. In an attempt to maintain portability of both the C and C++ languages, the American National Standards Institute (ANSI) developed a standard of consistency for C and C++ programming. While we will be working primarily with this ANSI standard, we will also be examining the idiosyncrasies of Microsoft Visual C++ 6.0.

Introduction to C++

C++ is an object-oriented programming language built on the base of the C language. This chapter gives you a very brief introduction to C++, touching on many important aspects of C++, so you would be able to follow our presentations of the C++ implementations of neural network models and write your own C++ programs.

The C++ language is a superset of the C language. You could write C++ programs like C programs or you could take advantage of the object-oriented features of C++ to write object-oriented programs. What makes a programming language or programming methodology object oriented? Well, there are several indisputable pillars of object orientation. These features stand out more than any other as far as object orientation goes. They are encapsulation, data hiding, overloading, polymorphism, and the grand-daddy of them all: inheritance. Each of the pillars of object-orientation will be discussed in the coming sections, but before we tackle these, we need to answer the question, what does all this object-oriented stuff buy me? By using the object-oriented features of C++, in conjunction with Object-Oriented Analysis and Design(OOAD), which is a methodology that fully utilizes object orientation, you can have well-packaged, reusable, extensible, and reliable programs and program segments. It’s beyond the scope of this book to discuss OOAD, but it’s recommended you read Booch or Rumbaugh to get more details on OOAD and how and why to change your programming style forever! See the reference section in the back of this book for more information on these readings. Now let’s get back to discussing the great object-oriented features of C++.

picon C++ data types                         picon C++ Structures & UserDefined Datatype      
picon C++ Variables picon C++ Standard Template Library                  
picon C++ Class & Objects picon C++  Function Overloading
picon C++ Constants picon C++ Operator Overloading
picon C++ Operators picon C++ Inheritance
picon Selection & Loop Statement  picon C++ Constructors & Destructors
picon C++ Preprocessor picon C++ Virtual Function & Polymorphism
picon C++ Arrays & Strings picon Namespaces, Conversion Functions
picon C++ Functions picon C++ File I/O
picon C++Pointers, Storage Classes  picon C++ Exception Handling

 

 


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