enqueue and dequeue implemented

2020-09-10 10:18:18 +02:00
parent 74bc7fce51
commit 32efc279c7
13 changed files with 96 additions and 2 deletions
--- a/Queue.java
+++ b/Queue.java
@@ -9,11 +9,23 @@ public class Queue<ContentType> {
    }

    public void enqueue( ContentType pContentObject ) {
-        // TODO: Implementiere enqueue
+        if (head == null) {
+            head = new QueueNode<ContentType>(pContentObject);
+            tail = head;
+        } else {
+            QueueNode<ContentType> node = new QueueNode<ContentType>(pContentObject);
+            tail.setNext(node);
+            tail = node;
+        }
    }

    public void dequeue() {
-        // TODO: Implementiere dequeue
+        if (head != tail) {
+            head = head.getNext();
+        } else if (head != null) {
+            head = null;
+            tail = null;
+        }
    }

    /**