Deck 7: User-Defined Simple Data Types, Namespaces, and the String Type

Question 1

No arithmetic operations are allowed on the enumeration type.

Answer 1

True

Question 2

The following statement creates an anonymous type:
enum {1ST, 2ND, 3RD, 4TH} places;

Answer 2

False

Question 3

The following is a valid C++ enumeration type:
enum places {1ST, 2ND, 3RD, 4TH};.

Answer 3

False

Question 4

Which of the following is a valid C++ statement?

A) typedef integer;
B) typedef int;
C) typedef int integer;
D) typedef integer int;

Question 5

In C++, ____ is a reserved word.

A) deftype
B) typedef
C) typecc
D) alias

Question 6

Which of the following statements creates an anonymous type?

A) enum grades {A, B, C, D, F};
B) enum grades {};
C) enum {};
D) enum {A, B, C, D, F} grades;

Question 7

In C++, you can create aliases to a previously defined data type by using the ____ statement.

A) typedef
B) using
C) namespace
D) alias

Question 8

In C++, namespace is a reserved word.

Question 9

Which of the following statements declares the studentGrade variable?

A) enum studentGrade {A, B, C, D, F};
B) enum int {A, B, C, D, F} studentGrade;
C) enum studentGrade {A, B, C, D, F} grades;
D) enum grades {A, B, C, D, F} studentGrade;

Question 10

The following is a legal C++ enumeration type:
enum colorType {BLUE, GREEN, PINK, YELLOW, RED};

Question 11

What is the output of the following code? enum courses {ALGEBRA, BASIC, PASCAL, PHILOSOPHY, ANALYSIS};
Courses registered;
Registered = ALGEBRA;
Cout << registered << endl;

A) ALGEBRA
B) 0
C) 1
D) "ALGEBRA"

Question 12

Consider the declaration: enum sports {BASKETBALL, FOOTBALL, HOCKEY, BASEBALL, SOCCER};
Which of the following statements is true?

A) SOCCER-- = BASEBALL
B) BASEBALL++ = SOCCER
C) HOCKEY + FOOTBALL < SOCCER
D) FOOTBALL <= SOCCER

Question 13

The general syntax for accessing a namespace member is: namespace_name->identifier.

Question 14

In C++, ____ is called the scope resolution operator.

A) .
B) ?
C) :
D) ::

Question 15

In July ____, ANSI/ISO Standard C++ was officially approved.

A) 1996
B) 1998
C) 1999
D) 2000

Question 16

Suppose that you have the following declaration. enum cars {FORD, GM, TOYOTA, HONDA};
Cars domesticCars = FORD;
The statement:
DomesticCars = static_cast(domesticCars + 1);
Sets the value of domesticCars to ____.

A) FORD
B) GM
C) TOYOTA
D) HONDA

Question 17

In C++, [] is called the array subscript operator.

Question 18

An anonymous type can be passed as a parameter to a function.

Question 19

An enumeration type can be passed as a parameter to a function only by value.

Question 20

A function cannot return the value of an enumeration type.

Question 21

Given the following code namespace globalType
{
Void printResult();
}
Which of the following statements is needed to access printResult?

A) globalType.printResult();
B) globalType.printResult;
C) globa

Question 22

Consider the following statements: string str = "ABCDEFD";
String::size_type position;
After the statement position = str.find('D'); executes, the value of position is ____.

A) 3
B) 4
C) 6
D) 7

Question 23

The identifiers in the system-provided header files such as iostream, cmath, and iomanip are defined in the namespace ____.

A) cctype
B) stdl
C) std
D) stdlib

Question 24

A data type wherein you directly specify values in the variable declaration with no type name is called a(n) ____________________type.

Question 25

The data type string has a named constant, ____, associated with it.

A) string::size
B) string::size_type
C) string::pos
D) string::npos

Question 26

Consider the following statements: string str1 = "ABCDEFGHIJKLM";
String str2;
After the statement str2 = str1.substr(1,4); executes, the value of str2 is "____".

A) ABCD
B) BCDE
C) BCD
D) CDE

Question 27

Which of the following statements is used to simplify the accessing of all globalType namespace members?

A) using globalType;
B) using namespace globa

Question 28

Suppose that str1 and str2 are string variables. After the following statements execute, the value of str2 is "____________________".
str1 = "abc";
str2 = str1 + '-';
str2 = str2 + "xyz";

Question 29

The length of the string "Hello There. " is ____.

A) 11
B) 12
C) 13
D) 14

Question 30

The values in the domain of an enumeration type are called ____________________.

Question 31

If a global identifier in a program has the same name as one of the global identifiers in the header file, the compiler generates a(n) ____________________ error.

Question 32

Consider the following statements: string str1 = "Gone with the wind";
String str2;
After the statement str2 = str1.substr(5,4); executes, the value of str2 is "____".

A) Gone
B) with
C) the
D) wind

Question 33

Suppose str = "xyzw";. After the statement str[2] = 'Y'; The value of str is "____".

A) xyzw
B) xYzw
C) xyYw
D) xzYw

Question 34

Suppose str = "ABCDEFGHI". The output of the statement cout << str.length() << endl;
Is ____.

A) 7
B) 8
C) 9
D) 10

Question 35

Considering the statement string str = "Gone with the wind";, the output of the statement cout << str.find("the") << endl; is ____.

A) 9
B) 10
C) 11
D) 12

Question 36

The scope of a namespace member is local to the ____.

A) function
B) block
C) file
D) namespace

Question 37

Suppose that str1, str2, and str3 are string variables. After the following statements execute, the value of str3 is "____". str1 = "abc";
Str2 = "xyz";
Str3 = str1 + '-' + str2;

A) abc
B) xyz
C) abc-xyz
D) xyz-abc

Question 38

The ____ function is used to interchange the contents of two string variables.

A) iterator
B) traverse
C) swap
D) change

Question 39

Before using the data type string, the program must include the header file ____.

A) enum
B) iostream
C) string
D) std

Question 40

In ANSI/ISO Standard C++, the ____________________ mechanism was designed to solve the problem of overlapping global identifiers.

Question 41

The string expression strVar.____________________ inserts all the characters of str at index pos into strVar.

Question 42

The length of the string "Hello There." is ____________________.

Question 43

Suppose str = "ABCDEFG". The output of the statement
cout << str.length() << endl;
is ____________________.

Question 44

Suppose str = "abcd". After the statement str = str + "ABCD"; the value of str is "____________________".

Question 45

The string expression strVar.____________________ returns the index of the first occurrence at or after pos where str is found in strVar.

Question 46

Suppose str = "abcd"; After the statement str[1] = 'A'; The value of str is "____________________".

Question 47

The data type string has a named constant, ____________________, associated with it.

Question 48

The string expression strVar.____________________ starts at index pos, replaces the next n characters of strVar with all the characters of str.

Question 49

The string expression strVar.____________________ deletes n characters from strVar starting at position pos.

Question 50

For the operator + to work with the string data type, one of the operands of + must be a(n) ____________________ variable.