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External Variables
Different functions of the similar program can be written in different source files and can be compiled together. The scope of a global variable is not limited to any one function, but is extended to all the functions that are explained after it is declared. Though, the scope of a global variable is limited to only those functions, which are in the same file scope. If we require to use a variable defined in another file, we can use extern to declare them.
Implementation of the Definition class: void Definition::put_word(char *s) { word = new char[strlen(s)+1]; strcpy(word,s); nmeanings = 0; } voi
Friend for Overloading Operators Sometimes friend functions cannot be avoided. For example with the operator overloading. Consider the following class that have data members to
Is Overloading of Destructor possible?
It is a feature in C++ to reduce name collisions in the global name space. This namespace keyword assigns a separate name to a library that allows other libraries to use the simila
Explain Operator Overloading It is one type of Polymorphism, an significant feature of object-oriented programming .Polymorphism means one thing having many forms, i.e. here an
what are objects or simply define objects
Operators The variables, which are declared and explained, are the operands, which are operated upon by the operators. Operators specify what operations are to be performed on
though the ascii is called 7-bit code. why do we use 8-bits to represent a character?
how to use nested loop of for in array
Write a Program for Calculating Value of an Integer? For a clear understanding of recursive function we shall see an illustration for calculating value of an integer. main() {
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