Chapter 14

Question 1

True or false:
An exception is an occurrence of an undesirable situation that can be detected during program compilation.

Answer 1

False

Question 2

True or false:
One of the typical ways of dealing with exceptions is to use an if statement.

Answer 2

True

Question 3

True or false:
The heading of a try block can contain ellipses in place of a parameter.

Answer 3

False

Question 4

True or false:
A catch block specifies the type of exceptions it can catch and immediately terminates the program.

Answer 4

False

Question 5

True or false:
If no exception is thrown in a try block, all catch blocks associated with that try block are ignored.

Answer 5

True

Question 6

True or false:
An object that is being thrown cannot be an anonymous object.

Answer 6

False

Question 7

True or false:
The order of the catch blocks does not affect the program

Answer 7

False

Question 8

True or false:
If the catch block with an ellipses in the heading is needed, then it should be in the first catch block in a sequence of try/catch blocks.

Answer 8

False

Question 9

True or false:
C++ provides all the exception classes you will ever need.

Answer 9

False

Question 10

True or false:
In C++, any class can be considered an exception class.

Answer 10

True

Question 11

An _______ is an occurrence of an undesirable situation that can be detected during program execution.

Answer 11

exception

Question 12

The function _____ can check whether an expression meets the required conditions; if the conditions are not met, it terminates the program.

Answer 12

assert

Question 13

When division by zero occurs and the problem is not addressed, the program crashes with an error message that is _____ dependent.

Answer 13

IDE

Question 14

To use the assert function in your program, you should include the statement _______

Answer 14

include <cassert></cassert>

Question 15

The statements that may generate an exception are placed in a ______ block.

Answer 15

try

Question 16

Which of the following blocks is designed to catch any type of exception?

Answer 16

catch(…){}

Question 16

The try block is followed by one or more _____ blocks.

Answer 16

catch

Question 16

The function ______ returns a string containing an appropriate message.

Answer 16

what

Question 17

A catch block can have, at most, _____ catch block parameter(s).

Answer 17

one

Question 17

Which of the following statements throws a valid exception in C++?

Answer 17

throw 2;

Question 18

The class _______ is the base of the classes designed to handle exceptions.

Answer 18

exception

Question 18

In a sequence of try/catch blocks, the last catch block of that sequence should be _______.

Answer 18

catch(…){}

Question 19

To deal with logical errors in a program, such as a string subscript out of range or an invalid argument to a function call, several classes are derived from the class _________.

Answer 19

logic_error

Question 20

The class _____ is designed to deal with illegal arguments used in a function call.

Answer 20

invalid_argument

Question 21

Which of the following classes is derived from the class runtime_error?

Answer 21

overflow_error

Question 22

The class ____ is designed to deal with errors that can be detected only during program execution.

Answer 22

runtime_error

Question 23

The logic_error and runtime_error classes are defined with the header file _______.

Answer 23

stdexcept

Question 24

Which of the following statements creates a new exception class?

Answer 24

class myClass{};

Question 25

If you want to include members in your exception class, you typically include the function ________

Answer 25

what

Question 26

The general syntax to rethrow an exception caught by a catch block is: _______

Answer 26

throw;

Question 27

Suppose you have written a program that inputs data from a file. If the input file does not exist when the program executes, then you should choose which option?

Answer 27

terminate the program

Question 28

Which of the following options should you choose when an exception occurs in the program that analyzes an airline’s ticketing transactions?

Answer 28

log the error and continue

Question 29

When an exception is thrown, if the program does not handle the exception, then the function ______ is called to terminate the program.

Answer 29

terminate

Question 30

A(n) _______ block specifies the type of exception it can catch and contains an exception handler.

Answer 30

catch

Question 31

The __________ of the catch block parameter specifies the type of exception that the catch block can catch.

Answer 31

data type

Question 32

Throwing an exception is typically done using the ______ statement.

Answer 32

throw

Question 33

In C++, throw is a(n) _________ word.

Answer 33

reserved

Question 34

All derived classes of the class exception override the function ______ to issue their own error messages.

Answer 34

what

Question 35

The class _________ deals with the string subscript out of range error.

Answer 35

out_of_range

Question 36

If the operator new cannot allocate memory space, this operator throws a(n) _________ exception.

Answer 36

bad_alloc