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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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Operators Overloading

Posted on September 10th, 2008 19 Comments

What is Operator Overloading Operator Overloading enables us to make the standard operators, like +, -, * etc, to work with the objects of our own data types. So what we do is, write a function which redefines a particular operator so that it performs a specific operation when it is used with the object of a class. Operator overloading does not allow to make...
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Advance Exception handling

Posted on September 10th, 2008 0 Comments

An exception usually signals an error. Thought it doesn’t always indicate an eror, it can also signal some particularly unusual even in your program that deserves special attention. Exception & Errors Handling No mater how good our program is, it always have to be able to handle possible errors. Most applications today contain some form of error handling....
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The Standard C++ Library

Posted on September 10th, 2008 1 Comment

The 1998 C++ standard consists of two parts: the core language and the C++ standard library; the latter includes most of the Standard Template Library and a slightly modified version of the C standard library. Many C++ libraries exist which are not part of the standard, such as the Boost library. Also, non-standard libraries written in C can generally be used...
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Strings in C++

Posted on September 10th, 2008 3 Comments

String in C/C++ is not more than a array of characters. String encapsulates the functionality of traversing, replacing, copying of one character array to another. One of the biggest time-wasters in C is using character arrays for string processing: keeping track of the difference between static quoted strings and arrays created on the stack and the heap, and...
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Templates in depth

Posted on September 10th, 2008 5 Comments

Templates are of great utility to programmers in C++, especially when combined with multiple inheritance and operator overloading. The C++ Standard Template Library (STL) provides many useful functions within a framework of connected templates. As the templates in C++ are very expressive they may be used for things other than generic programming. One such use...
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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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