Students-Objects exercise

package com.company;


import java.util.*;

public class Main {
    static class Student {

        private String firstName;
        private String lastName;
        private double grade;

        public Student(String firstName, String lastName, double grade) {

            this.firstName = firstName;
            this.lastName = lastName;
            this.grade = grade;
        }

        public String getFirstName() {
            return firstName;
        }

        public void setFirstName(String firstName) {
            this.firstName = firstName;
        }

        public String getLastName() {
            return lastName;
        }

        public void setLastName(String lastName) {
            this.lastName = lastName;
        }

        public double getGrade() {
            return grade;
        }

        public void setGrade(double grade) {
            this.grade = grade;
        }

        @Override
        public String toString() {
            return String.format("%s %s: %.2f", firstName, lastName, grade);
        }
    }


    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());
        List<Student> students = new ArrayList<>();

        for (int i = 0; i < n; i++) {
            String[] line = scanner.nextLine().split(" +");
            String firstName = line[0];
            String lastName = line[1];
            double grade = Double.parseDouble(line[2]);

            Student student = new Student(firstName, lastName, grade);
            students.add(student);

        }
        students.sort(Comparator.comparingDouble(Student::getGrade).reversed());
        //students.sort((f, s) -> (int) s.getGrade() - (int) f.getGrade());

        for (Student student : students) {
            System.out.println(student);
        }


    }

}