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Graphics in C Language

Posted on September 10th, 2008 145 Comments

Graphics in C Language We will restrict our discussion on Graphics in C Language to 16 bit C programming and MS DOS environment. In a C Program first of all you need to initialize the graphics drivers on the computer. This is done using the initgraph method provided in graphics.h library. In the next few pages we will discuss graphics.h library in details. Important...
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Generic algorithms

Posted on September 10th, 2008 1 Comment

Algorithms are at the core of computing. To be able to write an algorithm once and for all to work with any type of sequence makes your programs both simpler and safer. The ability to customize algorithms at runtime has revolutionalized software development. The subset of the standard C++ library known as the Standard Template Library (STL) was originally designed...
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Pointers

Posted on September 10th, 2008 25 Comments

Each memory location that we use to store the data hase an address in computre memory (RAM). Computer Hardware i.e. CPU uses this addess to reference to a particular data item. A pointer is a variable that stores the address of another variable. A pointer is a variable that represents the location of a data item, such as a variable or an array element. Pointers...
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C++ and Object Orientation

Posted on September 10th, 2008 0 Comments

Object- Oriented Programming (OOP) is an approach to program organization and development that attempts to eliminate some of the pitfalls of conventional programming methods by in incorporating the best of structured programming features with several powerful new concepts. It is a new way of organising and developing programs and has nothing to do with any particular...
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Introduction to Classes in C++

Posted on September 10th, 2008 16 Comments

The data types we have applied so far to our variables were used to identify individual items. To create more advanced and complete objects, C++ allows you to group these identifiers and create a newly defined object. An object, such as a CD Player, a printer, a car, etc, is built from assembling various parts. In the same way, C++ allows you to group various...
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Constructors in C++

Posted on September 10th, 2008 19 Comments

A constructor is a special method that is created when the object is created or defined. This particular method holds the same name as that of the object and it initializes the instance of the object whenever that object is created. The constructor also usually holds the initializations of the different declared member variables of its object. Unlike some of...
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Exception Handling

Posted on September 10th, 2008 0 Comments

Exceptions are the way of flagging unexpected conditions or errors that have occured in C++ program. Exception Mechanism so far we have handled error conditions by using the if statement to test some expressions and then executing specific code to deal with the error. C++ Language provides a good mechanism to tacke these conditions. The exception mechanism uses...
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Destructors in C++

Posted on September 10th, 2008 2 Comments

As opposed to a constructor, a destructor is called when a program has finished using an instance of an object. A destructor does the cleaning behind the scenes. Like the default constructor, the compiler always create a default destructor if you don’t create one. Like the default constructor, a destructor also has the same name as its object. This time,...
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