Using Java programming language, implement the class Student assuming all the other classes are implemented. You need to document your code using Javadoc for full marks. Make sure to include the author using the proper tag. Additional clarifications: The method addGrade checks if the course is in the HashMap. If the course is already in the HashMap, the grade is updated. Otherwise, the course along with the grade is added. The method calculateAverage calculates the average of all grades. Person -name: String Campus -people: ArrayList addLectureHaiString roomName, Integer capacity) void + calculate TotalNumberRooms(): Integer toString String Using Java programming language, implement the class Student assuming all the other classes are implemented. You need to document your code using Javadoc for full marks. Make sure to include the author using the proper tag. Additional clarifications: The method addGrade checks if the course is in the HashMap. If the course is already in the HashMap, the grade is updated. Otherwise, the course along with the grade is added. The method calculateAverage calculates the average of all grades. Person -name: String Campus -people: ArrayList addLectureHaiString roomName, Integer capacity) void + calculate TotalNumberRooms(): Integer toString String