Java advanced: Laboratory 3, Task4: class AcademicGroup

AcademicGroup.java

package ua.inf.iwanoff.java.advanced.lab3.model;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;

public class AcademicGroup implements Serializable {
    private String groupName;
    private List<Student> students = new ArrayList<>();

    public AcademicGroup() {
    }

    public AcademicGroup(String groupName, List<Student> students) {
        this.groupName = groupName;
        this.students = students;
    }

    public String getGroupName() {
        return groupName;
    }

    public void setGroupName(String groupName) {
        this.groupName = groupName;
    }

    public List<Student> getStudents() {
        return students;
    }

    public void setStudents(List<Student> students) {
        this.students = students;
    }

    public void addStudent(Student student) {
        students.add(student);
    }

    @Override
    public String toString() {
        return "Group '" + groupName + "' " + students;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;
        AcademicGroup that = (AcademicGroup) o;
        return Objects.equals(groupName, that.groupName) && Objects.equals(students, that.students);
    }

    @Override
    public int hashCode() {
        return Objects.hash(groupName, students);
    }
}