diff --git a/uebungen/u15/KumulProd.class b/uebungen/u15/KumulProd.class
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Binary files /dev/null and b/uebungen/u15/KumulProd.class differ
diff --git a/uebungen/u15/KumulProd.java b/uebungen/u15/KumulProd.java
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+++ b/uebungen/u15/KumulProd.java
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+import java.util.Scanner;
+
+/**
+ * Klasse zum Ermitteln des Kumulativen Produkts beliebig vieler Zahlen
+ */
+public class KumulProd {
+    public static void main(String[] args) {
+        Scanner console = new Scanner(System.in);
+
+        System.out.print("Wieviele Zahlen? ");
+
+        int num = console.nextInt();
+
+        int prod = 1;
+
+        for (int i = 0; i < num; i++) {
+            System.out.print((i + 1) + "-te Zahl: ");
+            prod *= console.nextInt();
+        }
+
+        System.out.println("Das kumulative Produkt ist: " + prod);
+    }
+}