How many times a constructor is called in the life-time of an object?

1.	How many times a constructor is called in the life-time of an object?
A.	Only once
B.	Twice
C.	Thrice
D.	Depends on the way of creation of object
Answer» B. Twice

Discussion

No Comment Found

Related MCQs

What is the technical word for the function defined in the following program?
Which of the following statement is correct about the program given below? #include<iostream.h> class IndiaBix { int x, y; public: IndiaBix() { x = 0; y = 0; } IndiaBix(int xx, int yy) { x = xx; y = yy; } IndiaBix(IndiaBix *objB) { x = objB->x; y = objB->y; } void Display() { cout<< x << " " << y; } }; int main() { IndiaBix objBix( new IndiaBix(20, 40) ); objBix.Display(); return 0; }
What will be the output of the following program? #include<iostream.h> class BixBase { public: BixBase() { cout<< "Base OK. "; } virtual ~BixBase() { cout<< "Base DEL. "; } }; class BixDerived: public BixBase { public: BixDerived() { cout<< "Derived OK. "; } ~BixDerived() { cout<< "Derived DEL. "; } }; int main() { BixBase *basePtr = new BixDerived(); delete basePtr; return 0; }
Which of the following statement is correct about the program given below? #include<iostream.h> class IndiaBix { int x; public: IndiaBix() { x = 0; } IndiaBix(int xx) { x = xx; } IndiaBix(IndiaBix &objB) { x = objB.x; } void Display() { cout<< x << " "; } }; int main() { IndiaBix objA(25); IndiaBix objB(objA); IndiaBix objC = objA; objA.Display(); objB.Display(); objC.Display(); return 0; }
What will be the output of the following program? #include<iostream.h> class BixBase { public: int x, y; BixBase(int xx = 0, int yy = 5) { x = ++xx; y = --yy; } void Display() { cout<< --y; } ~BixBase(){} }; class BixDerived : public BixBase { public: void Increment() { y++; } void Display() { cout<< --y; } }; int main() { BixDerived objBix; objBix.Increment(); objBix.Display(); return 0; }
What will be the output of the following program? #include<iostream.h> class IndiaBix { int x, y; public: IndiaBix(int xx) { x = ++xx; } ~IndiaBix() { cout<< x - 1 << " "; } void Display() { cout<< --x + 1 << " "; } }; int main() { IndiaBix objBix(5); objBix.Display(); int *p = (int*) &objBix; *p = 40; objBix.Display(); return 0; }
What will be the out of the following program? #include<iostream.h> class BixBase { public: int x, y; public: BixBase(int xx = 0, int yy = 0) { x = xx; y = yy; } }; class BixDerived : public BixBase { private: BixBase objBase; public: BixDerived(int xx, int yy) : BixBase(xx), objBase(yy) { cout << x << " " << this->x << " " << BixBase::x << " " << this->objBase.x ; } ~BixDerived() { } }; int main() { BixDerived objDev(11, 22); return 0; }
Which of the following constructor is used in the program given below? #include<iostream.h> class IndiaBix { int x, y; public: IndiaBix(int xx = 10, int yy = 20 ) { x = xx; y = yy; } void Display() { cout<< x << " " << y << endl; } ~IndiaBix() { } }; int main() { IndiaBix objBix; objBix.Display(); return 0; }
What will be the output of the following program? #include<iostream.h> class BixBase { public: BixBase() { cout<< "Base OK. "; } ~BixBase() { cout<< "Base DEL. "; } }; class BixDerived: public BixBase { public: BixDerived() { cout<< "Derived OK. "; } ~BixDerived() { cout<< "Derived DEL. "; } }; int main() { BixBase *basePtr = new BixDerived(); delete basePtr; return 0; }
What is the technical word for the function ~IndiaBix() defined in the following program? #include<iostream.h> class IndiaBix { int x, y; public: IndiaBix(int xx = 10, int yy = 20 ) { x = xx; y = yy; } void Display() { cout<< x << " " << y << endl; } ~IndiaBix() { } }; int main() { IndiaBix objBix; objBix.Display(); return 0; }

How many times a constructor is called in the life-time of an object?

Discussion

No Comment Found

Related MCQs

Reply to Comment