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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;
Using the Constructor There are basically three ways of creating and initializing the object. The first way to call the constructor is explicitly as :
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A: you can exploit by overloading standard operators on a class, the intuition of the users of that class. This allow users program in the language of the problem domain instead of
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Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
write a program to find the area under the curve y=f(x) between x=a & x=b
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A: Memory that has no pointer pointing to it and there is no method to delete or reuse this memory(object), it causes Memory leak. { Base *b = new base(); } Out of this
First line starts with T, number of test cases. Each test case T contains a necklace (N).
C Program for FUNCTION OF COUNT THE INTEREST float si(float,float,float); void main() { float p=0,r=0,n=0,k=0; clrscr(); printf("E
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