public class Catalog {
    private Profesor teacher;
    private Student[] students;
    private int grupa;
    private String serie;

    // TODO: Constructor (each class must have 1 teacher and n students)
    public Catalog(Profesor teacher, Student[] students, int grupa, String serie)
    {
        this.students = students;
        this.teacher = teacher;
        this.grupa = grupa;
        this.serie = serie;
    }
    // TODO: Method which returns the average grade of the class
    public float getClassGrade()
    {
        int i;
        float total = 0;
        for(i = 0; i < this.students.length; i++)
        {
            total += this.students[i].get_averageGrade();

        }
        return (total / this.students.length);
    }
}