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Pure Virtual Functions
An abstract class is one, which is used just for deriving some other classes. No object of this class is declared and used in the program. Likewise, there are pure virtual functions which themselves won't be used. Consider the above example with some changes.
class Shape
{
public :
virtual void print() = 0; // Pure virtual
function
};
class Triangle : public Shape
void print()
cout << " I am a Triangle " << endl;
}
class Circle : public Shape
cout << " I am a Circle " << endl;
void main()
Shape S;
Triangle T;
Circle C;
Shape *ptr;
ptr = &T;
ptr -> print();
ptr = &C;
Aim: To implement a program for dynamic data structure(linked list). Code: class node { int data; node *next;
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
how c program starts executing?
what is the purpose of pointer ? what is the syntax? how it works?
A: No. Syntax wise it is permitted. But then the function is no longer Inline. Since the compiler will never know how deep the recursion is at compilation time.
Encapsulation and Data Hiding The property of being a self-contained unit is known as encapsulation. The idea that the encapsulated unit can be used without knowing how it work
This is a test program that tests the Student and ITECH7603Class classes. In this assignment you are provided with three input text files associated with this program:
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
Binary logical bit-wise operators There are three logical bit-wise operators : & and | or
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