From 9361cb23a1ab1744e13d480274ecb586b9610139 Mon Sep 17 00:00:00 2001
From: Stefan Suhren <suhren.stefan@fh-swf.de>
Date: Wed, 17 Dec 2014 15:11:07 +0100
Subject: Assignment No.12 implements interface and abstract classes

---
 src/de/fhswf/in/inf/java1/aufgabe12/Operator.java | 24 +++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/de/fhswf/in/inf/java1/aufgabe12/Operator.java

(limited to 'src/de/fhswf/in/inf/java1/aufgabe12/Operator.java')

diff --git a/src/de/fhswf/in/inf/java1/aufgabe12/Operator.java b/src/de/fhswf/in/inf/java1/aufgabe12/Operator.java
new file mode 100644
index 0000000..3edb805
--- /dev/null
+++ b/src/de/fhswf/in/inf/java1/aufgabe12/Operator.java
@@ -0,0 +1,24 @@
+/**
+ * 
+ */
+package de.fhswf.in.inf.java1.aufgabe12;
+
+import java.util.Stack;
+
+/**
+ * An interface for on UPN operator.
+ *
+ * @author $Author: $
+ * @version $Revision: $, $Date: $ UTC
+ */
+public interface Operator
+{
+   /**
+    * Gets a stack of doubles and calculates a new value to be put on the
+    * stack.
+    *
+    * @param stack
+    *           The UPN stack of the calculator.
+    */
+   void eval(Stack<Double> stack);
+}
-- 
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