Deck 11: Using Templates

Question 1

The keyword ____ can replace class in a template definition in some C++ compilers.

A) struct
B) generic
C) template
D) typename

Answer 1

D

Question 2

To create a function template that employs multiple generic types, you simply use a(n) ____ for each type.

A) #include statement
B) function prototype
C) unique type identifier
D) separate template class

Answer 2

C

Question 3

Function templates serve as an outline or pattern for a group of functions that differ in the types of parameters they use.

Answer 3

True

Question 4

You ____ functions when you create functions with the same name but with different argument lists.

A) abstract
B) replace
C) overload
D) override

Question 5

To create a class template, you begin with the template ____.

A) implementation
B) prototype
C) declaration
D) definition

Question 6

You can use multiple explicit types when you call a template function.

Question 7

A ____ is a data structure in which elements are removed in the same order they were entered.

A) queue
B) list
C) stack
D) vector

Question 8

Complete the following function template:
____
T reverse(T x)
{
Return -x;
}

A) template : class T
B) template
C) template (class T)
D) template {class T}

Question 9

The purpose of container classes is to manage groups of other classes.

Question 10

In template , T stands for a programmer created class.

Question 11

Function templates ____ support multiple parameters.

A) can
B) cannot
C) sometimes
D) should not

Question 12

Function templates cannot use variables of multiple types.

Question 13

The option of using multiple types in a function template is available on all C++ compilers.

Question 14

You can overload function templates only when each version of the function takes a different parameter list.

Question 15

A(n) ____ is one that can stand for any number of C++ types.

A) abstract data type
B) generic parameter
C) structure
D) container class

Question 16

If doubleVal() is a function template that takes one parameterized type, doubleVal (a) is exactly the same as ____.

A) doubleVal( a)
B) doubleVal (a)
C) doubleVal(a)
D) doubleVal (a)

Question 17

The ____ operator is automatically defined for classes you create, but you can also overload it.

A) %
B) =
C) +
D) >>

Question 18

The function call ____ specifies that someFunction 's parameterized type (for example, T ) will be char , no matter what type someArgument is.

A) someFunction:char(someArgument);
B) someFunction (someArgument);
C) someFunction((char) someArgument);
D) someFunction{char}(someArgument);

Question 19

The terms template function and ____ are often used interchangeably.

A) template class
B) generic method
C) function template
D) class template

Question 20

Consider the following function template:
Template
Void repeatValue(T val, int times)
{
Int x;
For(x = 0; x
Which of the following statements is true?

A) No restrictions apply.
B) Any type of object from a user defined class can be displayed the specified number of times.
C) It can be called only with primitive data types.
D) Any type of object can be displayed the specified number of times as long as the << operator is defined for the object's data type.

Question 21

What happens when you call a function template?

Question 22

The designation of the parameterized type is ____________________; that is, it is determined not by naming the type, but by the compiler's ability to determine the argument type.

Question 23

You can calculate the size of an array (the number of elements) called nums as follows ____.

A) sizeof(nums)
B) nums.length
C) nums.length()
D) sizeof(nums)/sizeof(nums[0]);

Question 24

In Java, C#, and Smalltalk, all objects derive from the same container class, called ____.

A) Object
B) Container
C) Base
D) Class

Question 25

FIFO stands for ____________________.

Question 26

A(n) ____ is a template class that has been written to perform common class tasks.

A) parameterized argument
B) abstract data type
C) container class
D) generic class

Question 27

Where in your program can you place function templates? Do any restrictions apply?

Question 28

Because a generic linked list class is so useful, the developers of C++ have already created such a container class: its name is ____, and it contains functions such as merge() and reverse() .

A) set
B) list
C) linkedList
D) vector

Question 29

Write a function template that compares three parameters and returns the largest of the three.

Question 30

The subscript for any array can hold a value of 0 through ____.

A) 1
B) the array size
C) 1 less than the array's size
D) 1 more than the array's size

Question 31

Different versions of ____________________ function templates do not need to use the same identifier to stand in for the variable type or class.

Question 32

LIFO stands for ____________________.

Question 33

Provide an example of an overloaded function template.

Question 34

Explain why overloading can sometimes require a lot of unnecessary, tedious coding.

Question 35

When you create a(n) ____, you create a list of same-type objects at adjacent memory locations.

A) array
B) linked list
C) queue
D) stack

Question 36

Which of the following is not a common task to perform with an array?

A) Display an element in a specified position in the array.
B) Reverse the order of elements in an array.
C) Convert the array to a stack.
D) Sort the elements in an array in ascending or descending order.

Question 37

The terms template class and ____________________ are often used interchangeably.

Question 38

When using function templates, you can code empty angle brackets after the function name in a function call to indicate that the types should be deduced and not ____________________.

Question 39

A ____ is a data structure in which elements are removed in the reverse order from which they were entered.

A) queue
B) list
C) stack
D) vector

Question 40

What are macros? Should you use them?

Question 44

When is explicitly specifying a type for the parameterized type useful?

Question 46

At a minimum, what components should a linked list element have?

Question 47

Write the class definition for a Number class that has one data member which can hold any number, a constructor that takes an argument, and a displayNumber() function.

Question 52

Create a displayAndCompare() function that displays two values, compares them, and displays a message indicating which is larger. The function works when any two parameters are passed, whether or not the two parameters are of the same type, as long as > and == are defined correctly for the parameters.

Question 53

What are common uses of template classes?