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Grade Book JAVA CODE (NOTE: Please use only one class and main method and String array or arrayList obj) A teacher has five students who

Grade Book JAVA CODE (NOTE: Please use only one class and main method and String array or arrayList obj)

A teacher has five students who have taken four tests. The teacher uses the following grading scale to assign a letter grade to a student, based on the average of his or her four test scores:

Test Score Letter Grade

90 100 A

80 89 B

70 79 C

60 69 D

0 59 F

Write a class that uses a String array (or an ArrayList object) to hold the five students names, an array of the five characters to hold the five students letter grades, and five arrays of four doubles each to hold each students set of test scores. The class should have methods that return a specific students name, average test score, and a letter grade based on the average.

Demonstrate the class in a program that allows the user to enter each students name and his or her four test scores. It should then display each students average test score and letter grade.

Input Validation: Do not accept test scores less than zero or greater than 100.

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