public static void main(String[] args) {
PriorityQueue<Student> studenten = new PriorityQueue();
Student s1 = new Student(1, DateUtil.getDateInstance(1978, 3, 18));
Student s2 = new Student(2, DateUtil.getDateInstance(1962, 1, 24));
Student s3 = new Student(3, DateUtil.getDateInstance(1978, 5, 31));
studenten.add(s1);
studenten.add(s2);
studenten.add(s3);
System.out.println(studenten.poll().getGeboorteDatum());
System.out.println(studenten.poll().getGeboorteDatum());
System.out.println(studenten.poll().getGeboorteDatum());
}
