Fehlerbehebung removeFirst..

ArrayManipulation.java

@@ -8,7 +8,7 @@ public class ArrayManipulation {
 
     public static int[] removeFirst(int[] arr){
         int[] result = new int[arr.length-1];
-        for(int i = 1; i < arr.length, i++){
+        for(int i = 1; i < arr.length; i++){
             result[i-1] = arr[i];
         }
         return result;