diff --git a/domain/R2D2.java b/domain/R2D2.java
index 368a61b..2433b74 100644
--- a/domain/R2D2.java
+++ b/domain/R2D2.java
@@ -40,18 +40,31 @@ public class R2D2 extends RobotBasics {
       }
       return arr;
    }
-   /*
-   //Writing all values of the array into a String
-      String result = "";
-      if(arr.length != 0) {
-         result = "" + arr[0];
-         if (arr.length > 1) {
-            for (int i = 1; i < arr.length; i++) {
-               result += "," + arr[i];
-            }
-         }
-      }
-      return result;
-    */
 
+   public String ausgabe(int[] input){
+      String result = " ";
+      if(input.length != 0) {
+         result = " " + input[0];
+         for(int i = 1; i < input.length; i++){
+            result += "; " + input[i];
+         }
+         return result;
+      }
+      return null;
+   }
+
+   /**
+    * Die Methode nimmt ein Array aus int entgegen und wandelt diese in einen String um.
+    * @param input Zahlen, die ausgegeben werden sollen.
+    * @return String oder null
+    * @throws RobotException
+    */
+   @Override
+   public String speak(int[] input) throws RobotException {
+      if(isPowerOn()){
+         return ausgabe(input);
+      }else{
+         throw new RobotIllegalStateException(getName() + " is turned off!");
+      }
+   }
 }
\ No newline at end of file