Inheritance
Polymorphism
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Quiz: C++ Inheritance and Polymorphism
The quiz contains 13 questions and there is no time limit. You can get between 1 and 3 points for answering the questions correctly. At the end of the quiz, you'll receive a total score. You can compare yourself with other users via the leaderboard. If you achieve more than 70% you will be rewarded with a certificate. Good luck!
Test your understanding of inheritance and polymorphism: - Single inheritance - Multiple inheritance - Multilevel inheritance - Hierarchical inheritance - Compile-time polymorphism Function overloading Operator overloading - Runtime polymorphism Virtual function Function overriding
Leaderboard: C++ Inheritance and Polymorphism
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Question 1 of 13
1. Question
1 point(s)What is the output?
#include <iostream> using namespace std; class Animal { public: Animal() { cout << "This is an Animal" << endl; } }; class Dog: public Animal { public: Dog() { cout << "This is a Dog" << endl; } }; int main() { Animal obj; return 0; }CorrectIncorrect -
Question 2 of 13
2. Question
1 point(s)What is the output?
#include <iostream> using namespace std; class Animal { public: Animal() { cout << "This is an Animal" << endl; } }; class Dog: public Animal { public: Dog() { cout << "This is a Dog" << endl; } }; int main() { Dog obj; return 0; }CorrectIncorrect -
Question 3 of 13
3. Question
1 point(s)What is the output?
#include <iostream> using namespace std; class Animal { public: Animal() { cout << "This is an Animal" << endl; } }; class Dog { public: Dog() { cout << "This is a Dog" << endl; } }; class Cat: public Animal, public Dog { public: Cat() { cout << "This is a Cat" << endl; } }; int main() { Dog obj; return 0; }CorrectIncorrect -
Question 4 of 13
4. Question
2 point(s)What is the output?
#include <iostream> using namespace std; class Animal { public: Animal() { cout << "This is an Animal" << endl; } }; class Dog { public: Dog() { cout << "This is a Dog" << endl; } }; class Cat: public Animal, public Dog { public: Cat() { cout << "This is a Cat" << endl; } }; int main() { Cat obj; return 0; }CorrectIncorrect -
Question 5 of 13
5. Question
1 point(s)What is the output?
#include <iostream> using namespace std; class Animal { public: Animal() { cout << "This is an Animal "; } }; class Dog: public Animal { public: Dog() { cout << "This is a Dog "; } }; class Cat: public Dog { public: Cat() { cout << "This is a Cat "; } }; int main() { Cat obj; return 0; }CorrectIncorrect -
Question 6 of 13
6. Question
1 point(s)What is the output?
#include <iostream> using namespace std; class Animal { public: Animal() { cout << "This is an Animal "; } }; class Dog: public Animal { public: Dog() { cout << "This is a Dog "; } }; class Cat: public Dog { public: Cat() { cout << "This is a Cat "; } }; int main() { Dog obj; return 0; }CorrectIncorrect -
Question 7 of 13
7. Question
1 point(s)What is the output?
#include <iostream> using namespace std; class Animal { public: Animal() { cout << "This is an Animal "; } }; class Dog: public Animal { public: Dog() { cout << "This is a Dog "; } }; class Cat: public Animal { public: Cat() { cout << "This is a Cat "; } }; int main() { Cat obj; return 0; }CorrectIncorrect -
Question 8 of 13
8. Question
1 point(s)What is the output?
#include <iostream> using namespace std; void sum(int a, int b) { cout << a + b << " "; } void sum(int a, int b, int c) { cout << a + b + c << " "; } void sum(double a, double b) { cout << a + b << " "; } int main() { sum(6, 7); sum(5, 2, 32); sum(9.4, 4.6); return 0; }CorrectIncorrect -
Question 9 of 13
9. Question
1 point(s)What is the output?
#include <iostream> using namespace std; void sum(int a, int b, int c) { cout << a + b + c << " "; } void sum(double a, double b) { cout << a + b << " "; } int main() { sum(6, 7); sum(9, 4, 3); return 0; }CorrectIncorrect -
Question 10 of 13
10. Question
1 point(s)What is the output?
#include <iostream> using namespace std; void sum(int a, int b, int c) { cout << a + b + c << " "; } void sum(double a, double b) { cout << a + b << " "; } int main() { sum(6, 7); sum(6.2, 4.5, 2.3); return 0; }CorrectIncorrect -
Question 11 of 13
11. Question
2 point(s)What is the output?
#include <iostream> using namespace std; class A { public: virtual void print() { cout << "class a output" << endl; } }; class B : public A { public: void print() { cout << "class b output" << endl; } }; class C : public A { public: void print() { cout << "class c output" << endl; } }; int main(void) { A *a; C c; a = &c; a->print(); return 0; }CorrectIncorrect -
Question 12 of 13
12. Question
1 point(s)What is the output?
#include <iostream> using namespace std; class A { public: virtual void print() { cout << "class a output" << endl; } }; class B : public A { public: void print() { cout << "class b output" << endl; } }; class C : public A { public: void print() { cout << "class c output" << endl; } }; int main(void) { A *a; B *b; a = b; a->print(); return 0; }CorrectIncorrect -
Question 13 of 13
13. Question
1 point(s)What is the output?
#include <iostream> using namespace std; class A { public: void print() { cout << "overridden method" << endl; } }; class B : public A { public: void print() { cout << "overriding method" << endl; } }; int main(void) { B b = B(); b.print(); return 0; }CorrectIncorrect
