Create a class called FinalExam that is used to represent the points obtained in the final exam of CSC 110 by different students. The FinalExam class should include three pieces of information as instance yariables—studentNarne (type String), studentlD [type String), and pointsObtained (type int). Your class should have a oonstructor that initializes the three instance variables. Provide a set and a get method for each and every instance variable. In addition, provide a method named oomputeLetterGrade that returns the letter grade obtained by the student taking the pointsObtained as an argument. For the grading policy refer to CSC 110 grading scheme specified in syllabus. Write a test application named FinalExamDriver that creates at least 3 different objects of class FinalExam and test all the methods of class FinalExam. Sample Output Student Name : Homer Simpson Student ID : 5123456 Points Obtained : 99 Letter Grade ; A Student Name : Marge Simpson Student ID : 5234567 Points Obtained : 89 Letter Grade :A- Student Name : Micky Mouse Student ID : 5000001 Points Obtained : 57 Letter Grade : F Program 2 Write an overloaded method difiNumber that computes and returns the difference between the first and second argument. The argument can be integer or double. Incorporate this method into an application that randomly generates the values to test the methods. Program 3 Write an application that initializes the elements of a 10 element integer array randomly. Perform "K" circular shifts on this array where K is user specified. Display the elements of the original array and the shifted elements array.