Java Web Coding Exercise

This project contains a simple REST application with a single endpoint /math/add that expects two integer parameters and returns an object with the parameters, the operation performed, and the result.

Exercise

1. There are two unit tests and two narrow integration tests. One of each passes and one of each fails. Update the project to ensure the endpoint properly adds two integers.
2. Create a new endpoint /math/subtract that expects two integer parameters and subtracts the second from the first.
3. Create unit and narrow integration tests to verify endpoint.
4. Update both endpoints to handle integer overflow by returning an error with a message.