Question 1

How much memory is reserved for a function template?

Accepted Answer

A)  four bytes 
B)  It depends on the size of the template. 
C)  two bytes 
D)  no memory 
E)  None of these 
A)  four bytes 
B)  It depends on the size of the template. 
C)  two bytes 
D)  no memory 
E)  None of these D

Question 2

Given the following code, what will happen if the value of denom is 0?
double divide(int numer, int denom)
{
if (denom == 0)
$\quad$throw "ERROR: Cannot divide by zero.\n";
else
$\quad$Return static_cast<double>(numer)/denom;
}

Accepted Answer

A)  Nothing will happen because there is no catch block. 
B)  The program will display ERROR: Cannot divide by zero.and then move to the statement following the if/else block. 
C)  The program will display ERROR: Cannot divide by zero.and then halt. 
D)  There is no throw point because there is no try block. 
E)  None of these 
A)  Nothing will happen because there is no catch block. 
B)  The program will display ERROR: Cannot divide by zero.and then move to the statement following the if/else block. 
C)  The program will display ERROR: Cannot divide by zero.and then halt. 
D)  There is no throw point because there is no try block. 
E)  None of these C

Question 3

A generic function that can work with any data type is called an exception template.

Accepted Answer

A) True 
 B)False  False

Question 4

A function template's prefix contains __________ enclosed in angle brackets.

Accepted Answer

A)  one or more generic data types 
B)  the function definition 
C)  constant values 
D)  the function's return type 
E)  None of these 
A)  one or more generic data types 
B)  the function definition 
C)  constant values 
D)  the function's return type 
E)  None of these

Question 5

The line containing a throw statement is known as the throw point.

Accepted Answer

A) True 
 B)False

Question 6

When an error occurs, an exception is

Accepted Answer

A)  created 
B)  thrown 
C)  passed 
D)  ignored 
E)  None of these 
A)  created 
B)  thrown 
C)  passed 
D)  ignored 
E)  None of these

Question 7

If an exception is not caught, it is stored for later use.

Accepted Answer

A) True 
 B)False

Question 8

A generic function that can work with any data type is a

Accepted Answer

A)  function argument 
B)  function parameter 
C)  function template 
D)  member function 
E)  None of these 
A)  function argument 
B)  function parameter 
C)  function template 
D)  member function 
E)  None of these

Question 9

All type parameters defined in a function template must appear at least once in the

Accepted Answer

A)  function parameter list 
B)  preprocessor directives 
C)  function call 
D)  type.h file 
E)  None of these 
A)  function parameter list 
B)  preprocessor directives 
C)  function call 
D)  type.h file 
E)  None of these

Question 10

When the __________ operator fails to allocate memory, C++ throws a bad_alloc exception.

Accepted Answer

A)  new 
B)  alloc 
C)  catch 
D)  None of these 
A)  new 
B)  alloc 
C)  catch 
D)  None of these

Question 11

The __________ starts with the key word try and is followed by a block of code that executes any statement that might cause an exception to be thrown..

Accepted Answer

A)  try block 
B)  try/catch class 
C)  try function 
D)  catch function 
E)  None of these 
A)  try block 
B)  try/catch class 
C)  try function 
D)  catch function 
E)  None of these

Question 12

Exceptions are used to signal errors or unexpected results that occur when a program is running.

Accepted Answer

A) True 
 B)False

Question 13

What does the word class indicate in the following statement?
Template

Accepted Answer

A)  class is a key word that is used to precede the type parameter. 
B)  It indicates that a class is being derived from an existing class named T. 
C)  It indicates that a class named T is being derived from a class named template. 
D)  A class named T will automatically be created by the compiler. 
E)  None of these 
A)  class is a key word that is used to precede the type parameter. 
B)  It indicates that a class is being derived from an existing class named T. 
C)  It indicates that a class named T is being derived from a class named template. 
D)  A class named T will automatically be created by the compiler. 
E)  None of these

Question 14

The try block of a try/catch construct is used to display the definition of an exception parameter.

Accepted Answer

A) True 
 B)False

Question 15

Catch blocks serve as

Accepted Answer

A)  exception handlers 
B)  receivers 
C)  temporary variables 
D)  permanent storage for trapped errors 
E)  None of these 
A)  exception handlers 
B)  receivers 
C)  temporary variables 
D)  permanent storage for trapped errors 
E)  None of these

Question 16

If an exception is not caught, the program will abort execution.

Accepted Answer

A) True 
 B)False

Question 17

An actual instance of the function is created in memory when the compiler encounters

Accepted Answer

A)  the template prefix 
B)  a call to the template function 
C)  a try block 
D)  a catch block 
E)  None of these 
A)  the template prefix 
B)  a call to the template function 
C)  a try block 
D)  a catch block 
E)  None of these

Question 18

Which of the following is used to signal errors or unexpected results that happen as a program runs?

Accepted Answer

A)  virtual functions 
B)  destructors 
C)  exceptions 
D)  templates 
E)  None of these 
A)  virtual functions 
B)  destructors 
C)  exceptions 
D)  templates 
E)  None of these

Question 19

Function templates allow you to write a single function definition that works with many data types.

Accepted Answer

A) True 
 B)False

Question 20

There is no difference between declaring an object of an ordinary class and an object of a template class.

Accepted Answer

A) True 
 B)False

Exam 16: Exceptions and Templates

How much memory is reserved for a function template?

Given the following code, what will happen if the value of denom is 0? double divide(int numer, int denom) { if (denom == 0) \quad throw "ERROR: Cannot divide by zero.\n"; else \quad Return static_cast<double>(numer)/denom; }

A generic function that can work with any data type is called an exception template.

A function template's prefix contains __________ enclosed in angle brackets.

The line containing a throw statement is known as the throw point.

When an error occurs, an exception is

If an exception is not caught, it is stored for later use.

A generic function that can work with any data type is a

All type parameters defined in a function template must appear at least once in the

When the __________ operator fails to allocate memory, C++ throws a bad_alloc exception.

The __________ starts with the key word try and is followed by a block of code that executes any statement that might cause an exception to be thrown..

Exceptions are used to signal errors or unexpected results that occur when a program is running.

What does the word class indicate in the following statement? Template < class T >

The try block of a try/catch construct is used to display the definition of an exception parameter.

Catch blocks serve as

If an exception is not caught, the program will abort execution.

An actual instance of the function is created in memory when the compiler encounters

Which of the following is used to signal errors or unexpected results that happen as a program runs?

Function templates allow you to write a single function definition that works with many data types.

There is no difference between declaring an object of an ordinary class and an object of a template class.

Introduction to Computers and Programming

Introduction to C

Expressions and Interactivity

Making Decisions

Loops and Files

Functions

Arrays and Vectors

Searching and Sorting Arrays

Pointers

Characters, C-Strings, and More About the String Class

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

The Standard Template Library

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

Given the following code, what will happen if the value of denom is 0? double divide(int numer, int denom) { if (denom == 0) $\quad$ throw "ERROR: Cannot divide by zero.\n"; else $\quad$ Return static_cast<double>(numer)/denom; }