Class

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Nodes
{
    class Class
    {
        private Node<Student> students;

        public Class(Node<Student> students)
        {
            this.students = students;
        }

        public Node<Student> getStudents()
        {
            return this.students;
        }

        private Node<Student> current;

        public void addSubject(Student student)
        {
            Node<Student> t = new Node<Student>(student);

            if (this.students == null)
            {
                this.students = t;

            }
            else
            {
                this.current.setNext(t);
            }

            this.current = t;
        }
    }
}