From 32efc279c76933917ec47eedf4edf515c1b333a9 Mon Sep 17 00:00:00 2001
From: Tim <ttersch@outlook.de>
Date: Thu, 10 Sep 2020 10:18:18 +0200
Subject: [PATCH] enqueue and dequeue implemented

---
 Queue.class     | Bin 0 -> 1418 bytes
 Queue.ctxt      |  15 +++++++++++++++
 Queue.java      |  16 ++++++++++++++--
 QueueNode.class | Bin 0 -> 1008 bytes
 QueueNode.ctxt  |  15 +++++++++++++++
 QueueTest.class | Bin 0 -> 2824 bytes
 QueueTest.ctxt  |  11 +++++++++++
 Stack.class     | Bin 0 -> 1170 bytes
 Stack.ctxt      |  15 +++++++++++++++
 StackNode.class | Bin 0 -> 1008 bytes
 StackNode.ctxt  |  15 +++++++++++++++
 StackTest.class | Bin 0 -> 2656 bytes
 StackTest.ctxt  |  11 +++++++++++
 13 files changed, 96 insertions(+), 2 deletions(-)
 create mode 100644 Queue.class
 create mode 100644 Queue.ctxt
 create mode 100644 QueueNode.class
 create mode 100644 QueueNode.ctxt
 create mode 100644 QueueTest.class
 create mode 100644 QueueTest.ctxt
 create mode 100644 Stack.class
 create mode 100644 Stack.ctxt
 create mode 100644 StackNode.class
 create mode 100644 StackNode.ctxt
 create mode 100644 StackTest.class
 create mode 100644 StackTest.ctxt

diff --git a/Queue.class b/Queue.class
new file mode 100644
index 0000000000000000000000000000000000000000..0a0a171207e5ea09a2729f1d69af8bfc1145294f
GIT binary patch
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diff --git a/Queue.ctxt b/Queue.ctxt
new file mode 100644
index 0000000..17d1595
--- /dev/null
+++ b/Queue.ctxt
@@ -0,0 +1,15 @@
+#BlueJ class context
+comment0.target=Queue
+comment1.params=
+comment1.target=Queue()
+comment2.params=pContentObject
+comment2.target=void\ enqueue(java.lang.Object)
+comment3.params=
+comment3.target=void\ dequeue()
+comment4.params=
+comment4.target=java.lang.Object\ front()
+comment4.text=\r\n\ Liefert\ das\ Inhaltsobjekt\ vom\ ersten\ Knotens\ der\ Schlange\r\n\ vom\ Typ\ ContentType,\ falls\ die\ Schlange\ nicht\ leer\ ist,\r\n\ ansonsten\ null.\r\n\r\n\ @return\ Das\ Inhaltsobjekt\ oder\ null.\r\n
+comment5.params=
+comment5.target=boolean\ isEmpty()
+comment5.text=\r\n\ Pr\u00FCft,\ ob\ die\ Schlange\ leer\ ist.\r\n\r\n\ @return\ true,\ wenn\ die\ Schlange\ keine\ Knoten\ enthaelt\r\n
+numComments=6
diff --git a/Queue.java b/Queue.java
index 9490bd6..d7a66a3 100644
--- 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;
+        }
     }
 
     /**
diff --git a/QueueNode.class b/QueueNode.class
new file mode 100644
index 0000000000000000000000000000000000000000..89fb77163f181e52a57e873888d5d0236c37f0f2
GIT binary patch
literal 1008
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diff --git a/QueueNode.ctxt b/QueueNode.ctxt
new file mode 100644
index 0000000..cacec56
--- /dev/null
+++ b/QueueNode.ctxt
@@ -0,0 +1,15 @@
+#BlueJ class context
+comment0.target=QueueNode
+comment1.params=pContentObject
+comment1.target=QueueNode(java.lang.Object)
+comment1.text=\r\n\ Ein\ neues\ Objekt\ vom\ Typ\ Node<ContentType>\ wird\ erschaffen.\r\n\ Der\ Inhalt\ wird\ per\ Parameter\ gesetzt.\ Der\ Verweis\ ist\ leer.\r\n\r\n\ @param\ pContentObject\ das\ Inhaltselement\ des\ Knotens\ vom\ Typ\ ContentType\r\n
+comment2.params=pNext
+comment2.target=void\ setNext(QueueNode)
+comment2.text=\r\n\ Der\ Verweis\ wird\ auf\ das\ Objekt,\ das\ als\ Parameter\ uebergeben\ wird,\r\n\ gesetzt.\r\n\r\n\ @param\ pNext\ der\ Nachfolger\ des\ Knotens\r\n
+comment3.params=
+comment3.target=QueueNode\ getNext()
+comment3.text=\r\n\ Liefert\ das\ naechste\ Element\ des\ aktuellen\ Knotens.\r\n\r\n\ @return\ das\ Objekt\ vom\ Typ\ QueueNode,\ auf\ das\ der\ aktuelle\ Verweis\ zeigt\r\n
+comment4.params=
+comment4.target=java.lang.Object\ getContent()
+comment4.text=\r\n\ Liefert\ das\ Inhaltsobjekt\ des\ Knotens\ vom\ Typ\ ContentType.\r\n\r\n\ @return\ das\ Inhaltsobjekt\ des\ Knotens\r\n
+numComments=5
diff --git a/QueueTest.class b/QueueTest.class
new file mode 100644
index 0000000000000000000000000000000000000000..025fd6823d90238b313b88a5240d59121497d79f
GIT binary patch
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diff --git a/QueueTest.ctxt b/QueueTest.ctxt
new file mode 100644
index 0000000..259fecc
--- /dev/null
+++ b/QueueTest.ctxt
@@ -0,0 +1,11 @@
+#BlueJ class context
+comment0.target=QueueTest
+comment1.params=
+comment1.target=void\ testeEnqueue()
+comment2.params=
+comment2.target=void\ testeDequeue()
+comment3.params=
+comment3.target=void\ testeFront()
+comment4.params=
+comment4.target=void\ testeIsEmpty()
+numComments=5
diff --git a/Stack.class b/Stack.class
new file mode 100644
index 0000000000000000000000000000000000000000..0ff75fa3a19cc9b77bb148162ec72983c8d43f99
GIT binary patch
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diff --git a/Stack.ctxt b/Stack.ctxt
new file mode 100644
index 0000000..0d63933
--- /dev/null
+++ b/Stack.ctxt
@@ -0,0 +1,15 @@
+#BlueJ class context
+comment0.target=Stack
+comment1.params=
+comment1.target=Stack()
+comment2.params=pContentObject
+comment2.target=void\ push(java.lang.Object)
+comment3.params=
+comment3.target=void\ pop()
+comment4.params=
+comment4.target=java.lang.Object\ top()
+comment4.text=\r\n\ Liefert\ das\ Inhaltsobjekt\ vom\ obersten\ Knoten\ des\ Stapels\r\n\ vom\ Typ\ ContentType,\ falls\ die\ Schlange\ nicht\ leer\ ist,\r\n\ ansonsten\ null.\r\n\r\n\ @return\ Das\ Inhaltsobjekt\ oder\ null.\r\n
+comment5.params=
+comment5.target=boolean\ isEmpty()
+comment5.text=\r\n\ Pr\u00FCft,\ ob\ der\ Stapel\ leer\ ist.\r\n\r\n\ @return\ true,\ wenn\ der\ Stapel\ keine\ Knoten\ enthaelt\r\n
+numComments=6
diff --git a/StackNode.class b/StackNode.class
new file mode 100644
index 0000000000000000000000000000000000000000..1e2ba755e478bea247802558dd1fa3088eb4d580
GIT binary patch
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diff --git a/StackNode.ctxt b/StackNode.ctxt
new file mode 100644
index 0000000..fb22a54
--- /dev/null
+++ b/StackNode.ctxt
@@ -0,0 +1,15 @@
+#BlueJ class context
+comment0.target=StackNode
+comment1.params=pContentObject
+comment1.target=StackNode(java.lang.Object)
+comment1.text=\r\n\ Ein\ neues\ Objekt\ vom\ Typ\ Node<ContentType>\ wird\ erschaffen.\r\n\ Der\ Inhalt\ wird\ per\ Parameter\ gesetzt.\ Der\ Verweis\ ist\ leer.\r\n\r\n\ @param\ pContentObject\ das\ Inhaltselement\ des\ Knotens\ vom\ Typ\ ContentType\r\n
+comment2.params=pNext
+comment2.target=void\ setNext(StackNode)
+comment2.text=\r\n\ Der\ Verweis\ wird\ auf\ das\ Objekt,\ das\ als\ Parameter\ uebergeben\ wird,\r\n\ gesetzt.\r\n\r\n\ @param\ pNext\ der\ Nachfolger\ des\ Knotens\r\n
+comment3.params=
+comment3.target=StackNode\ getNext()
+comment3.text=\r\n\ Liefert\ das\ naechste\ Element\ des\ aktuellen\ Knotens.\r\n\r\n\ @return\ das\ Objekt\ vom\ Typ\ QueueNode,\ auf\ das\ der\ aktuelle\ Verweis\ zeigt\r\n
+comment4.params=
+comment4.target=java.lang.Object\ getContent()
+comment4.text=\r\n\ Liefert\ das\ Inhaltsobjekt\ des\ Knotens\ vom\ Typ\ ContentType.\r\n\r\n\ @return\ das\ Inhaltsobjekt\ des\ Knotens\r\n
+numComments=5
diff --git a/StackTest.class b/StackTest.class
new file mode 100644
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GIT binary patch
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diff --git a/StackTest.ctxt b/StackTest.ctxt
new file mode 100644
index 0000000..86cdb89
--- /dev/null
+++ b/StackTest.ctxt
@@ -0,0 +1,11 @@
+#BlueJ class context
+comment0.target=StackTest
+comment1.params=
+comment1.target=void\ testePush()
+comment2.params=
+comment2.target=void\ testePop()
+comment3.params=
+comment3.target=void\ testeTop()
+comment4.params=
+comment4.target=void\ testeIsEmpty()
+numComments=5