Need help ! 16.4.2 a. Write the declaration of a user-defined exception type nam

ID: 3761731 • Letter: N

Question

Need help !

16.4.2 a. Write the declaration of a user-defined exception type named BadData.

b. Write a void function GetAge that prompts for and inputs the user's age (type int) from the keyboard.

The function returns the user's age through the parameter list unless the input value is a negative

number, in which case a BadData exception id thrown.

16.4.3. Write a try-catch statement that calls the GetAge function of Question 16.4.2b. If a BadData exception

is thrown, print error message and rethrow the exception to a caller; otherwise, execution should just

continue.

16.4.2 a

class BadData : public exception{}

16.4.2 b

void GetAge()
{
int age;
while(true)
{
cout << "Enter age: ";
cin >> age;
if(age < 0)
throw new BadData();
}
}

16.4.3 b

try
{
GetAge();
}
catch(BadData ex)
{
cout << "Negative age is entered." << endl;
throw new BadData();
}

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