1 files changed, 51 insertions, 0 deletions
diff --git a/src/misc/Stapel.java b/src/misc/Stapel.java
new file mode 100755
index 0000000..92efc6d
--- /dev/null
+++ b/src/misc/Stapel.java
@@ -0,0 +1,51 @@
+package misc;
+public class Stapel {  //Die Klasse / Datei muss genau so heißen!
+  
+  private Stapel nextObject;
+  private Object content;
+  
+  private Stapel(Object o){
+    content = o;
+    nextObject = null;
+  }
+  
+  public Stapel(){
+    nextObject = null;
+  }
+  
+  public boolean istLeer(){
+    if (nextObject == null) return true;
+    else return false;
+  }
+  
+  public Object inhaltGeben(){
+    if (!istLeer()) return nextObject.content;
+    else return null;
+  }
+  
+  public void ablegen(Object o){
+    Stapel neu = new Stapel(o);
+    neu.nextObject = nextObject;
+    nextObject = neu;
+  }
+  
+  public Object entnehmen(){
+    Object aus;
+    if (!istLeer()){
+      aus = inhaltGeben();
+      nextObject = nextObject.nextObject;
+      return aus;
+    }
+    else return null;
+  }
+  
+  public String ausgeben(){
+    String aus = "";
+    if (!istLeer()){
+      aus = aus  + nextObject.content + "|";
+      if (nextObject.nextObject != null) aus = aus + nextObject.ausgeben();
+    }
+    return aus;
+  }
+  
+}
+\ No newline at end of file