Question 1

The correct function name for overloading the addition (+) operator is:

Accepted Answer

A)  operator+ 
B)  operator(+) 
C)  operator:+ 
D)  operator_+ 
A)  operator+ 
B)  operator(+) 
C)  operator:+ 
D)  operator_+

Question 2

The prototypes of overloaded cast operator functions do not:

Accepted Answer

A)  Specify the type they convert to. 
B)  Specify the type that is being converted. 
C)  Specify a return type. 
D)  Need to be defined inside the class whose objects are being converted. 
A)  Specify the type they convert to. 
B)  Specify the type that is being converted. 
C)  Specify a return type. 
D)  Need to be defined inside the class whose objects are being converted.

Question 3

Which situation would require the operator to be overloaded as a non-member function?

Accepted Answer

A)  The overloaded operator is =. 
B)  The left most operand must be a class object (or a reference to a class object). 
C)  The left operand is an int. 
D)  The operator returns a reference. 
A)  The overloaded operator is =. 
B)  The left most operand must be a class object (or a reference to a class object). 
C)  The left operand is an int. 
D)  The operator returns a reference.

Question 4

The array subscript operator [], when overloaded, cannot:

Accepted Answer

A)  Be used with linked list classes. 
B)  Take a float as an operand. 
C)  Take multiple values inside (e.g., [4,8]). 
D)  Take user-defined objects as operands. 
A)  Be used with linked list classes. 
B)  Take a float as an operand. 
C)  Take multiple values inside (e.g., [4,8]). 
D)  Take user-defined objects as operands.

Question 5

Suppose the unary ! operator is an overloaded member function of class String. For a String object s, which function call is generated by the compiler when it finds the expression !s?

Accepted Answer

A)  s.operator!() 
B)  s.operator!(default_value1, default_value2,…) 
C)  operator!(s) 
D)  A compiler error results because no arguments are given. 
A)  s.operator!() 
B)  s.operator!(default_value1, default_value2,…) 
C)  operator!(s) 
D)  A compiler error results because no arguments are given.

Question 6

Suppose you have a programmer-defined data type Data and want to overload the << operator to output your data type to the screen in the form cout << dataToPrint; and allow cascaded function calls. The first line of the function definition would be:

Accepted Answer

A)  ostream& operator<<(ostream& output, const Data& dataToPrint) 
B)  ostream operator<<(ostream& output, const Data& dataToPrint) 
C)  ostream& operator<<(const Data& dataToPrint, ostream& output) 
D)  ostream operator<<(const Data& dataToPrint, ostream& output) 
A)  ostream& operator<<(ostream& output, const Data& dataToPrint) 
B)  ostream operator<<(ostream& output, const Data& dataToPrint) 
C)  ostream& operator<<(const Data& dataToPrint, ostream& output) 
D)  ostream operator<<(const Data& dataToPrint, ostream& output)

Question 7

Which statement about operator overloading is false?

Accepted Answer

A)  New operators can never be created. 
B)  Certain overloaded operators can change the number of arguments they take. 
C)  The precedence of an operator cannot be changed by overloading. 
D)  Overloading cannot change how an operator works on built-in types. 
A)  New operators can never be created. 
B)  Certain overloaded operators can change the number of arguments they take. 
C)  The precedence of an operator cannot be changed by overloading. 
D)  Overloading cannot change how an operator works on built-in types.

Question 8

The delete [] operator:

Accepted Answer

A)  Can terminate the program. 
B)  Must be told which destructor to call when destroying an object. 
C)  Can delete an entire array of objects declared using new. 
D)  Is called implicitly at the end of a program. 
A)  Can terminate the program. 
B)  Must be told which destructor to call when destroying an object. 
C)  Can delete an entire array of objects declared using new. 
D)  Is called implicitly at the end of a program.

Question 9

Which of the following is false?

Accepted Answer

A)  An entire non-char array cannot be input or output at once. 
B)  Two arrays cannot be meaningfully compared with equality or relational operators. 
C)  Arrays cannot be assigned to one another (i.e., array1 = array2;). 
D)  C++ ensures that you cannot "walk off" either end of an array. 
A)  An entire non-char array cannot be input or output at once. 
B)  Two arrays cannot be meaningfully compared with equality or relational operators. 
C)  Arrays cannot be assigned to one another (i.e., array1 = array2;). 
D)  C++ ensures that you cannot "walk off" either end of an array.

Question 10

Which statement about operator overloading is false?

Accepted Answer

A)  Operator overloading is the process of enabling C++'s operators to work with class objects. 
B)  C++ overloads the addition operator (+) and the subtraction operator (-) to perform differently, depending on their context in integer, floating-point and pointer arithmetic with data of fundamental types. 
C)  You can overload all C++ operators to be used with class objects. 
D)  When you overload operators to be used with class objects, the compiler generates the appropriate code based on the types of the operands. 
A)  Operator overloading is the process of enabling C++'s operators to work with class objects. 
B)  C++ overloads the addition operator (+) and the subtraction operator (-) to perform differently, depending on their context in integer, floating-point and pointer arithmetic with data of fundamental types. 
C)  You can overload all C++ operators to be used with class objects. 
D)  When you overload operators to be used with class objects, the compiler generates the appropriate code based on the types of the operands.

Question 11

To implicitly overload the += operator:

Accepted Answer

A)  Only the + operator needs to be overloaded. 
B)  Only the = operator needs to be overloaded. 
C)  Both the + and = operators need to be overloaded. 
D)  The += operator cannot be overloaded implicitly. 
A)  Only the + operator needs to be overloaded. 
B)  Only the = operator needs to be overloaded. 
C)  Both the + and = operators need to be overloaded. 
D)  The += operator cannot be overloaded implicitly.

Question 12

The code ", have a great day!"s
Is an example of ________:

Accepted Answer

A)  a compilation error 
B)  a string iterator 
C)  a string-object literal. 
D)  string interpolation. 
A)  a compilation error 
B)  a string iterator 
C)  a string-object literal. 
D)  string interpolation.

Question 13

The conventional way to distinguish between the overloaded preincrement and postincrement operators (++) is:

Accepted Answer

A)  To assign a dummy value to preincrement. 
B)  To make the argument list of postincrement include an int. 
C)  To have the postincrement operator call the preincrement operator. 
D)  Implicitly done by the compiler. 
A)  To assign a dummy value to preincrement. 
B)  To make the argument list of postincrement include an int. 
C)  To have the postincrement operator call the preincrement operator. 
D)  Implicitly done by the compiler.

Question 14

Which of the following operators can be overloaded as a non-member function?

Accepted Answer

A)  () 
B)  [] 
C)  += 
D)  == 
A)  () 
B)  [] 
C)  += 
D)  ==

The correct function name for overloading the addition (+) operator is:

The prototypes of overloaded cast operator functions do not:

Which situation would require the operator to be overloaded as a non-member function?

The array subscript operator [], when overloaded, cannot:

Suppose the unary ! operator is an overloaded member function of class String. For a String object s, which function call is generated by the compiler when it finds the expression !s?

Suppose you have a programmer-defined data type Data and want to overload the << operator to output your data type to the screen in the form cout << dataToPrint; and allow cascaded function calls. The first line of the function definition would be:

Which statement about operator overloading is false?

The delete [] operator:

Which of the following is false?

Which statement about operator overloading is false?

To implicitly overload the += operator:

The code ", have a great day!"s Is an example of ________:

The conventional way to distinguish between the overloaded preincrement and postincrement operators (++) is:

Which of the following operators can be overloaded as a non-member function?

Introduction to Computers and C++

Introduction to C Programming; Inputoutput and Operators

Introduction to Classes, Objects and Strings

Control Statements, Assignment, and Operators

Control Statements, Logical Operators

Functions and an Introduction to Recursion

Class Templates Array and Vector; Catching Exceptions

Pointers and Pointer-Based Strings

Classes: a Deeper Look; Throwing Exceptions

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Stream Inputoutput: a Deeper Look

File Processing

Standard Library Containers and Iterators

Standard Library Algorithms

Exception Handling: a Deeper Look

Introduction to Custom Templates

Custom Templatized Data Structures

Searching and Sorting

Class String and String Stream Processing

Bits, Characters, C Strings and Structs

Other Topics

C++11 Additional Features

Filters

Exam 10: Operator Overloading; String and Array Objects

The correct function name for overloading the addition (+) operator is:

The prototypes of overloaded cast operator functions do not:

Which situation would require the operator to be overloaded as a non-member function?

The array subscript operator [], when overloaded, cannot:

Suppose the unary ! operator is an overloaded member function of class String. For a String object s, which function call is generated by the compiler when it finds the expression !s?

Suppose you have a programmer-defined data type Data and want to overload the << operator to output your data type to the screen in the form cout << dataToPrint; and allow cascaded function calls. The first line of the function definition would be:

Which statement about operator overloading is false?

The delete [] operator:

Which of the following is false?

Which statement about operator overloading is false?

To implicitly overload the += operator:

The code ", have a great day!"s Is an example of ________:

The conventional way to distinguish between the overloaded preincrement and postincrement operators (++) is:

Which of the following operators can be overloaded as a non-member function?

Introduction to Computers and C++

Introduction to C Programming; Inputoutput and Operators

Introduction to Classes, Objects and Strings

Control Statements, Assignment, and Operators

Control Statements, Logical Operators

Functions and an Introduction to Recursion

Class Templates Array and Vector; Catching Exceptions

Pointers and Pointer-Based Strings

Classes: a Deeper Look; Throwing Exceptions

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Stream Inputoutput: a Deeper Look

File Processing

Standard Library Containers and Iterators

Standard Library Algorithms

Exception Handling: a Deeper Look

Introduction to Custom Templates

Custom Templatized Data Structures

Searching and Sorting

Class String and String Stream Processing

Bits, Characters, C Strings and Structs

Other Topics

C++11 Additional Features

Filters