Question 1: Which of the following C++ statements uses object-oriented programming?
a) for(int i = 0; i < 10; i++);
b) x = 5;
c) int *numbers = new int[10];
d) Mario.draw();
e) None of the above
Question 2: Consider the following class interface. Which of the functions is the default constructor?
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classLibrary
{public:
Library();
Library(intnumBooks);
Library(constLibrary&other);};
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a) Library();
b) Library(int numBooks);
c) Library(const Library &other);
d) All of the above
e) None of the above
Question 3: In the class interface from the previous question, which of the functions is the copy constructor?
a) Library();
b) Library(int numBooks);
c) Library(const Library &other);
d) All of the above
e) None of the above
Question 4: Which of the following C++ statements declares a Student object and initializes it with the value "Luke"?
a) Student Luke;
b) Student = "Luke";
c) Student s("Luke");
d) All of the above
e) None of the above
Question 5: Consider the following snippet of C++ code. Which of the following C++ statements uses dynamically allocated memory?
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intx=5;
int*y=newint;
*y=5;
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a) int *z = &x;
b) int &r = x;
c) int p = *y;
d) All of the above
e) None of the above
Question 6: Consider the following snippet of C++ code. Which statement causes a memory leak?
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chara='!';
char*b=newchar;
char&c =*b;
char*d=&a;
char*e=newchar[12];
deleteb;
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a) char a = '!';
b) char *b = new char;
c) char &c = *b;
d) char *d = &a;
e) char *e = new char[12];
f) delete b;
Question 7: In the previous question's snippet, which of the following C++ statements would fix the memory leak if added at the end?
a) a = NULL;
b) delete a;
c) delete d;
d) d = NULL;
e) delete[] e;
Question 8: Which of the following C++ statements correctly prints out the value of the first element in the array below? C++
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int*array=newint[5];
array[0]=5;
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a) cout << array[0] << endl;
b) cout << *array << endl;
c) cout << *(array + 0) << endl;
d) All of the above
e) None of the above