Question: Write the unchecked exception class InvalidAccountNumberException. The set method for the account number instance variable must test the validity of the account number that it

Write the unchecked exception class InvalidAccountNumberException.

The set method for the account number instance variable must test the validity of the account number that it receives against the criteria given above. If the account number is invalid the set method must throw an InvalidAccountNumberException.

Write the program TestExceptions.java that creates two objects each with valid and invalid account numbers. Each object must be created in a separate try

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catch block and in each of the cases the exception that is thrown must be caught and handled by displaying an error message.

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