
Полиморфизм
Quiz
•
Computers
•
9th - 12th Grade
•
Practice Problem
•
Hard
Лада Торчик
Used 7+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Как правильно разыменовать переменную x?
x*
*x
x&
&x
2.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Выберите правильный вариант создания динамического объекта класса Pet.
Pet* p = new Pet;
Pet p = new Pet*;
Pet* = new Pet(p);
Pet p = new *Pet;
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Как правильно освободить динамическую память после использования объекта p ?
Pet* p = new Pet;
delete p;
delete[] p;
delete &p;
delete p();
delete *p;
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Выберите правильный вариант создания вектора динамических объектов Pet.
vector <Pet> pet;
vector <*Pet> pet;
vector <Pet*> pet;
vector <pet*> Pet;
5.
MULTIPLE CHOICE QUESTION
2 mins • 12 pts
Дан код класса Pet.
Выберите корректный вариант заполнения вектора pets.
6.
MULTIPLE SELECT QUESTION
2 mins • 12 pts
Дан код трех классов: Pet, Cat и Hamster. Классы Cat и Hamster наследуются от Pet.
Объекты какого типа могут храниться в следующем векторе:
vector <Pet*> pets ?
Выберите все подходящие варианты.
Pet*
Cat*
Hamster*
Pet
Cat
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Что будет выведено на экран в результате выполнения программы?
Name: Barsik
Age: 5
Name: Kolyan
Age: 1
Name: Barsik
Breed: british
Age: 5
Name: Kolyan
Weight: 98
Age: 1
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