1. Making a class called Day. Two of its variables are month and year. The best type for the year would be? it will be Int. Can you explained it!   2. While unit testing, what is the last step before running the test? The Answer is Implement your class or methods. Please explain!   3. With respect to unit testing, what would it mean for your code to have 100% coverage? This means All class constructors and class methods have tests. Please explain

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