in C++ Update the class named “Variable” in the previous exercise to generate a "VarNameException" whenever the caller tries to create the Variable object with a bad name. Update for this question  Define a new exception class named “VarNameException” that must inherit from the C++ runtime_error class. This class will capture the error case for a variable name when it does not start with a letter (lower case or upper case) or contains at least one blank. For example, if the user tries to create with a variable name of "1name", "?name" or "my name", it will generate an exception and this class should capture the reason and the error value.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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in C++

Update the class named “Variable” in the previous exercise to generate a "VarNameException"
whenever the caller tries to create the Variable object with a bad name.

Update for this question 

Define a new exception class named “VarNameException” that must inherit
from the C++ runtime_error class. This class will capture the error case for a
variable name when it does not start with a letter (lower case or upper case) or contains at least one blank. For example, if the user tries to create with a variable name of "1name", "?name" or "my name", it will generate an exception and this class should capture the reason
and the error value.

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