public void enrolStudent(String name, int year) {
Student newStudent = new Student(name, year);
if (this.studentListStart == null) {
this.studentListStart = newStudent;
return;
} else {
Student current = studentListStart;
while (current.getNext() != null) {
current = current.getNext();
}
current.setNext(newStudent);
newStudent.setPrev(current);
return;
}
}
public void deleteStudent(String name) {
if (name.equals(studentListStart.getName())) {
studentListStart = studentListStart.getNext();
studentListStart.setPrev(null);
} else {
Student current = studentListStart;
while ((current.getNext() != null) && (!name.equals(current.getName())))
current = current.getNext();
if (current == null) return;
else {
current.getPrev().setNext(current.getNext());
current.getNext().setPrev(current.getPrev());
return;
}
}
}
