Untitled

public class Student {
    private String    surname; // Student's surname
    private String       name; // Student's name
    private String group_name; // Group name
    private int       stud_id; // Student's ID
    private float         GPA; // Student's GPA

    public Student() {

    }
    public Student(String surname, String name, String group_name, int stud_id, float GPA) {
        this.surname =       surname;
        this.name =             name;
        this.group_name = group_name;
        this.stud_id =       stud_id;
        this.GPA =               GPA;
    }

    public String getSurname() {
        return surname;
    }

    public void setSurname(String surname) {
        this.surname = surname;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getGroup_name() {
        return group_name;
    }

    public void setGroup_name(String group_name) {
        this.group_name = group_name;
    }

    public int getStud_id() {
        return stud_id;
    }

    public void setStud_id(int stud_id) {
        this.stud_id = stud_id;
    }

    public float getGPA(float m1, float m2) {
        return (m1+m2)/2;
    }

    public void setGPA(float GPA) {
        this.GPA = GPA;
    }

    @Override
    public String toString() {
        return "Student{" +
                "surname='" + surname + '\'' +
                ", name='" + name + '\'' +
                ", group_name='" + group_name + '\'' +
                ", stud_id=" + stud_id +
                ", GPA=" + GPA +
                '}';
    }
}