                 
                </aside>
            </section>


            <!--            
            <section>
                <h1>Interface und Implementation: Beispiel in Java</h1>
                <pre><code data-trim class="java">
                       class PriorityQueue&lt;E&gt; {

                           private  Object[] queue;

                           public void add(E element) { // implementation }
                           public E poll() {// implementation }

                     