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The #undef Directive
This directive undefines a previously explained macro. For, example the following will give an error since PI is undefined.
#define PI 3.14285
void main()
{
cout<< PI; // no error here
# undef PI;
cout << PI; // error after undef.
}
array of class objects and single inheritance
Differences between a pointer and a reference 1. A reference must always point to some object where as this restriction is not imposed on a pointer. e.g. int *pi = 0;
Write a Program to illustrate the Call by Reference? Here is an illustration: #include . int compute_sum(int *n); int main( void) { int n=3, sum; printf("%d\n",n); /
Define the Recursion Function in C? In C, it is potential for the function to call themselves a function is describing 'recursive' if a statement within the body of a function
Classes and Objects A class is a vehicle to execute the OOP features in the C++ language. Once a class is declared, an object of that type can be explained. An object is said t
world wide web
A: Use p = new T[n] and delete[] p: Fred* p = new Fred[100]; ... delete[] p; Any time you allocate an array of objects through new (generally with the [n] in the n
.Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b.
Converting Base Type to Class Type (char to string) class String { char *name; int length; public: String(void) {length =0; name = new char[length+1];
Develop a C++ program that uses a while to determine the gross pay (in Dollars) for each of several employees. The company pays “straight-time” for the first 40 hours worked by eac
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