Question 1

If a class object is passed by ____________________, the contents of the member variables of the actual parameter are copied into the corresponding member variables of the formal parameter.

Accepted Answer

The answer of If a class object is passed by...

Question 2

-Consider the accompanying class definition, and the object declaration: rectangleType bigRect(14,10) ;
Which of the following statements is correct?

Accepted Answer

A)   bigRect.setLengthWidth() ;
B)   bigRect.setLengthWidth(3.0, 2.0) ;
C)   bigRect.length = 2.0;
D)   bigRect.length = bigRect.width;

Question 3

A program or software that uses and manipulates the objects of a class is called a(n) ____________________ of that class.

Accepted Answer

The answer of A program or software that uses and...

Question 4

If an object is created in a user program, then the object can access both the public and private members of the class.

Accepted Answer

A) True 
 B)False

Question 5

In C++, the ____ is called the member access operator.

Accepted Answer

A)   .
B)   ,
C)   ::
D)   #

Question 6

With ____________________ functions, the definitions of the member functions are placed in the implementations file.

Accepted Answer

The answer of With ____________________ functions, the definitions of the...

Question 7

A class object can be ____. That is, it can be created once, when the control reaches its declaration, and destroyed when the program terminates.

Accepted Answer

A)   static
B)   automatic
C)   local
D)   public

Question 8

Which of the following is true about classes and structs?

Accepted Answer

A)   By default, all members of a struct are public and all members of a class are private.
B)   A struct variable is passed by value only, and a class variable is passed by reference only.
C)   An assignment operator is allowed on class variables, but not on struct variables.
D)   You cannot use the member access specifier private in a struct.

Question 9

A ____ sign in front of a member name on a UML diagram indicates that this member is a public member.

Accepted Answer

A)   +
B)   -
C)   #
D)   $

Question 10

In C++, you can pass a variable by reference and still prevent the function from changing its value by using the keyword ____ in the formal parameter declaration.

Accepted Answer

A)   automatic
B)   private
C)   static
D)   const

Question 11

A member function of a class that only accesses the value(s)  of the data member(s)  is called a(n)  ____ function.

Accepted Answer

A)   accessor
B)   mutator
C)   constructor
D)   destructor

Question 12

The header file is also known as the ____________________.

Accepted Answer

interface ...

Question 13

A(n) ____________________ function of a class changes the values of the member variable(s) of the class.

Accepted Answer

The answer of A(n) ____________________ function of a class changes...

Question 14

A ____ sign in front of a member name on a UML diagram indicates that this member is a protected member.

Accepted Answer

A)   +
B)   -
C)   #
D)   $

Question 15

In C++ terminology, a class object is the same as a class instance.

Accepted Answer

A) True 
 B)False

Question 16

If a function of a class is static, it is declared in the class definition using the keyword static in its ____.

Accepted Answer

A)   return type
B)   parameters
C)   heading
D)   main function

Question 17

Given this declaration:
class myClass
{
public:
void print(); //Output the value of x;
MyClass();
private:
int x;
};
myClass myObject;
The following statement is legal.
myObject.x = 10;

Accepted Answer

A) True 
 B)False

Question 18

-Consider the accompanying class definition. Which of the following variable declarations is correct?

Accepted Answer

A)   rectangle rectangleType;
B)   class rectangleType rectangle;
C)   rectangleType rectangle;
D)   rectangle rectangleType.area;

Question 19

If a member of a class is ____, you cannot access it outside the class.

Accepted Answer

A)   public
B)   automatic
C)   private
D)   static

Question 20

-Consider the UML class diagram shown in the accompanying figure. Which of the following is the name of the class?

Accepted Answer

A)   clock
B)   clockType
C)   Type
D)   +clockType

Exam 10: Classes and Data Abstraction

A member function of a class that only accesses the value(s) of the data member(s) is called a(n) ____ function.

Correct AnswerverifiedShow Answer

Given this declaration: class myClass { public: void print(); //Output the value of x; MyClass(); private: int x; }; myClass myObject; The following statement is legal. myObject.x = 10;

Correct AnswerverifiedShow Answer

-Consider the UML class diagram shown in the accompanying figure. Which of the following is the name of the class?

Correct AnswerverifiedShow Answer

With ____________________ functions, the definitions of the member functions are placed in the implementations file.

Correct AnswerverifiedShow Answer

A class object can be ____. That is, it can be created once, when the control reaches its declaration, and destroyed when the program terminates.

Correct AnswerverifiedShow Answer

If a member of a class is ____, you cannot access it outside the class.

Correct AnswerverifiedShow Answer

A ____ sign in front of a member name on a UML diagram indicates that this member is a public member.

Correct AnswerverifiedShow Answer

A program or software that uses and manipulates the objects of a class is called a(n) ____________________ of that class.

Correct AnswerverifiedShow Answer

-Consider the accompanying class definition. Which of the following variable declarations is correct?

Correct AnswerverifiedShow Answer

In C++ terminology, a class object is the same as a class instance.

Correct AnswerverifiedShow Answer

If a function of a class is static, it is declared in the class definition using the keyword static in its ____.

Correct AnswerverifiedShow Answer

The header file is also known as the ____________________.

Correct Answerverifiedinterface ...View AnswerShow Answer

In C++, you can pass a variable by reference and still prevent the function from changing its value by using the keyword ____ in the formal parameter declaration.

Correct AnswerverifiedShow Answer

In C++, the ____ is called the member access operator.

Correct AnswerverifiedShow Answer

A ____ sign in front of a member name on a UML diagram indicates that this member is a protected member.

Correct AnswerverifiedShow Answer

A(n) ____________________ function of a class changes the values of the member variable(s) of the class.

Correct AnswerverifiedShow Answer

-Consider the accompanying class definition, and the object declaration: rectangleType bigRect(14,10) ; Which of the following statements is correct?

Correct AnswerverifiedShow Answer

If a class object is passed by ____________________, the contents of the member variables of the actual parameter are copied into the corresponding member variables of the formal parameter.

Correct AnswerverifiedShow Answer

Which of the following is true about classes and structs?

Correct AnswerverifiedShow Answer

If an object is created in a user program, then the object can access both the public and private members of the class.

Correct AnswerverifiedShow Answer

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interface ...
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