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<NEWEST VERSION>
1. Each object of a class has its own copy of the class's - ANSWER ✔
Member Variables
2. This type of member variable may be accessed before any objects of the
class have been created. - ANSWER ✔ Static
3. This operator may be used to assign one object to another - ANSWER ✔ =
4. C++ requires that a copy constructor's parameter be a(n) - ANSWER ✔
Reference object
5. C++ allows you to redefine the way ________ work when used with class
objects. - ANSWER ✔ Standard Operators
6. When objects contain pointers, it is a good idea to create an explicit ______
function - ANSWER ✔ Copy constructor
7. A good reason for overloading an operator is to enable it to: - ANSWER ✔
work in its usual way, but with programmer-defined data types
8. When a class contains an instance of another class, it is known as -
ANSWER ✔ Dynamic Composition
9. If you do not furnish one of these, an automatic memeberwise copy will be
performed when one object is assigned to another object - ANSWER ✔
Overloaded assignment operator
,10.It is a good idea to make a copy constructor's parameters______by
specifying______keyword in the parameter list - ANSWER ✔ constant,
const
11.A reason to overload the _____ is to write classes that have array-like
behaviors - ANSWER ✔ square brackets operator
12.If a member variable is declared ________, all objects of that class have
access to that variable. - ANSWER ✔ static
13.A member function that is declared_____, may not access any non-static
data members in the class - ANSWER ✔ static
14.This type of function is not a member of a class, but it has access to the
private members of the class - ANSWER ✔ Friend
15.What will the statement in line 7 display? - ANSWER ✔ 2
16.In the following code, assume the myQueue object is a queue that can hold
integers, and that value is an int variable. (The lines are numbered for
reference purposes.)
1: myQueue.enqueue(0);
2: myQueue.enqueue(1);
3: myQueue.enqueue(2);
4: myQueue.dequeue(value);
5: myQueue.enqueue(3);
6: myQueue.dequeue(value);
7: cout << value << endl;
Assume that the dequeue function, called in lines 4, and 6, stores the number
removed from the queue in the value variable.
17.What will the statement in line 7 display? - ANSWER ✔ 2
18.True/False: When a class declares an entire class as its friend, the friendship
status is reciprocal. That is, each class's member functions have free access
to the other's private members. - ANSWER ✔ False
,19.True/False: By default when an object is assigned to another, each member
of one object is copied to its counterpart in the other object. - ANSWER ✔
True
20.True/False: When you overload an operator, you can change the operator's
original meaning to something entirely different. - ANSWER ✔ True
21.True/False: If you overload the prefix ++ operator, the postfix ++ operator is
automatically overloaded - ANSWER ✔ False
22.True/False: A public data member may be declared a friend of a private
function - ANSWER ✔ False
23.True/False: C++ permits you to overload the sizeof operator and this pointer
- ANSWER ✔ False
24.True/False: A static member variable can be used when there are no objects
of the class in existence - ANSWER ✔ True
25.Only one constructor may be defined per class. - ANSWER ✔ False
26.What is a method? - ANSWER ✔ A member of a class that defines an
operation on an object.
27.A classed called Printer has a method called printDocument. This calls a
void method in the Printer class called printPage that takes an integer
representing the page number as an argument. How should printDocument
call printPage with an argument of 4? - ANSWER ✔ printPage(4);
28.Given a class called Rectangle with a constructor that takes two doubles as
arguments representing the dimensions, which of the following is the correct
way to invoke that constructor? - ANSWER ✔ Rectangle rect = new
Rectangle(8.2, 3.5);
Consider the following code:
Employee emp1 = new Employee();
emp1.setName("Anna Karenina");
, Employee emp2 = new Employee();
emp2.setName("David Copperfield"):
emp2 = emp1;
29.Which of the following best describes the contents of the two variables
emp1 and emp2 after this code has executed? - ANSWER ✔ emp1 refers to
the object with the name Anna Karenina. emp2 refers to the same object.
30.Given the following method header:
31.public double computeArea(double length, double width)
32.What does the second index represent in a multidimensional array? -
ANSWER ✔ Represents the columns
33.Syntax for an element in a 2D array is: - ANSWER ✔
Array_Name[Row_Index][Column_Index]
34.multidimensional array - ANSWER ✔ An array with more than one index
35.one-dimensional array - ANSWER ✔ An array with one index
36.Nested For-loops can be used to iterate through elements of a 2D array in
order - ANSWER ✔ True
37.Inheritance - ANSWER ✔ Allows a programmer to define a general class
along with specialized classes that inherit the features of the general class
and add additional features
38.What is inherited? - ANSWER ✔ Instance variables and all
public methods
39.Call to "Super" doesnt have to be the first statement in the constructor -
ANSWER ✔ False
40.If there is no call to base class constructor, the default base class constructor
will be called automatically - ANSWER ✔ True