2 java questions 1

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SCREENSHOTS ARE REQUIRED

1) Write a program that converts a number entered in Roman numerals to decimal. Your program should consist of a class, say, Roman. An object of type Roman should do the following:

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2)Design and implement the class Day that implements the day of the week in a program. The class Day should store the day, such as Sun for Sunday. The program should be able to perform the following operations on an object of type Day: