Question: 1 (Discussion) Explain how you might go about refining the input domai

Question: 1 (Discussion)
Explain how you might go about refining the input domain model with one or more additional characteristics to probe this behavior, and implement these tests in JUnit. Keep in mind that the restriction on interleaving next() and remove() calls are quite complex and that the JUnit tests in IteratorTest.java only devotes one test for this situation, which may not be enough.
Question (Discussion): 2
Construct two separate use cases and use case scenarios for interactions with a bank Automated teller machine. Do not try to capture all the functionality of the ATM into one graph; think about two different people using the ATM and what each one might do. Design test cases for your scenarios.
Pease the minimum requirement for the each is question 200 words, minimum three citations and references.