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Virtual Functions
The keyword virtual was previously used to resolve ambiguity for a class derived from two classes, both having a common ancestor. These classes are known as virtual base classes. This time it helps in implementing the idea of polymorphism with class inheritance. The function of the base class can be declared with the keyword virtual. The program with this change and its output is given below.
class Shape
{
public :
virtual void print()
cout << " I am a Shape " << endl;
}
};
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;
S.print();
T.print();
C.print();
Shape *ptr;
ptr = &S;
ptr -> print();
ptr = &T;
ptr = &C;
draw the flow chart to print the fibonacci series upto n th terms
Define Commonly Used Built-in Library Functions? Comprise opened a file pointer you will desire to use it for either input or output. The C language supplies a set of functions
how many bytes required to char
print this pattern 1 01 101 0101
Rahul is a newbie to the programming and while learning the programming language he came to know the following rules: · Each program must start with ''{'' and end with '
I need to include files so you can understand easier.
Question 1 . Write a brief note on Aggregation Question 2 . Discuss briefly on constructors Question 3 . What are the important advantages of Inheritance? Question 4 .
Comments Comments are integral part of every program . Comments help in coding, debugging and maintaining a program . The compiler ignores them. They should be used liberally i
Write a function that takes in a number n and divides the screen into n vertical bars, alternating black and white. (What should you do if someone puts in n=0 or n=-99?)
#give me the code
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