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Return by reference:
The return value of the function must be an address variable. In following program the
function returns the value of x or y and their types are declared as reference variable.
int &f_ref(int &c, int &d); // int &f_ref(int, int) is invalid for reference variable void main( )
{int a, b,c;
c=f_ref(a, b);
}
int &f_ref(int &x, int &y)
{if x>y return x; else return y;
Static Member Functions All the objects of the class share static data members of a class. The example above demonstrates how to keep track of all the objects of a class which
How do you know that your class requires a virtual destructor? A: If at least your class has one virtual function, you must make a destructor for this class virtual. It will let
The program will ask the user to enter: '1' to List the cities(and their state abbrev) from largest to smallest (by their population) with their population '2' to List the
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. The area under a curve between two points can b
Unary Minus Operator( Negation) This operand can be used to negate the value of a variable. It is also used to state a negative number, here a minus(-) sign is prefixed to the
The program sorting.cpp contains a main function for testing the operation of several sort algorithms over various data sizes and data set organisations. The program understands
Develop a Student class that has the following header file: #ifndef STUDENT_H #define STUDENT_H #include #include #include using namespace std; class Stu
Define the Keywords of c language? C keeps a small set of keywords for its personal use. These keywords can't be used as identifiers in the program. Here is the list of keyword
How to write an inline class member function In addition to global functions, you may request that non-static member functions of a class be inlined. The normal method of doin
Many human diseases could be controlled by the knowledge of the gene’s structure and pattern. The human gene could be represented by four nucleotides. Each nucleotide is represente
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