Please use JAVA only
Write a class named Grade. This class should keep track of astudent’s grade. The grade itself will be stored as a floatingpoint number, but it should also be able to produce a correspondingletter grade. You may not use any import statements. Any dataelements should be declared private, although this will not begraded. If you think it is necessary you may include helper methodsof your own. The class should implement the following publicmethods:
- public Grade() the constructor will initialize the grade to100.0.
- public Grade(double grade) the constructor will initialize thegrade to the given value. If a grade less than zero
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