Starting Out with C++: Early Objects
Starting Out with C++: Early Objects
8th Edition
ISBN: 9780133360929
Author: Tony Gaddis, Judy Walters, Godfrey Muganda
Publisher: Addison-Wesley
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Chapter 16.1, Problem 16.5CP

Explanation of Solution

Exception:

In C++, the exception is an object used to signal the unexpected error occurred during a program execution.

  • An exception has been thrown when an error has been occurred in a program.

Exception Handler:

The “throw point” is a statement which uses the keyword “throw” to throw an exception which occurred while executing the program.

  • After the execution of “throw” statement, the program control will move to another part in the same program to handle the exception is called as “exception handler”.
  • In order to handle an exception, construct a “try/catch” block in a program.

The “try” block:

  • The “try” block is starts with the keyword “try” and it contains the code which will have the possibility to generate an exception.
  • The “try” block must be followed by one or more “catch” blocks which are denoted as exception handlers.

The “catch” block:

  • The “catch” block is starts with the keyword “catch” and it is followed by an “exception parameter”.
  • The Catch block contains the code to be executed when the error occurred in Try block.

The general syntax for “try/catch” as follows:

try

{

//code which causes an exception;try block

}

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Starting Out with C++: Early Objects

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