import java.util.Arrays;
import java.util.Random;

public class Student {
    public String name;
    public int id;
    public int[] grades;

    public Student(String name, int id) {
        this.name = name;
        this.id = id;
        Random random = new Random();
        grades = new int[5];
        for (int i = 0; i < 5; i++) {
            grades[i] = (random.nextInt() * 100) % 5 + 5;
        }
    }

    public double GPA() {
        double sum = 0;
        for (int i = 0; i < grades.length; i++) {
            sum += grades[i];
        }
        return sum / grades.length;
    }

    public static Student bestStudent(Student[] students) {
        Student student = students[0];
        for (int i = 0; i < students.length; i++) {
            if (student.GPA() < students[i].GPA())
                student = students[i];
        }
        return student;
    }

    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", id=" + id +
                ", grades=" + Arrays.toString(grades) +
                "GPA = "+GPA()+
                '}';
    }

    public static void main(String[] args) {
        Student[] students = new Student[10];
        for (int i = 0; i < students.length; i++) {
            students[i] = new Student("student"+i,i);
            System.out.println(students[i]);
        }

        Student bestStudent = Student.bestStudent(students);
        System.out.println("BEST STUDENT");
        System.out.println(bestStudent);
    }
}