completed dupes

.idea/workspace.xml

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+    <history-entry file="ArrazTest_test1RemoveDupes - 2018.12.06 at 19h 06m 41s.xml">
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arraz/src/main/java/Arraz.java

     }
 
     public Integer[] removeDupes(Integer[] arr) {
-        ArrayList<Integer> result = new ArrayList<Integer>();
         Set<Integer> set = new HashSet<Integer>();
         for (Integer i : arr) {
             set.add(i);
         }
+        Integer[] result = new Integer[set.size()];
+        int counter = 0;
         for (Integer i: set) {
-            result.add(i);
+            result[counter]=i;
+            counter++;
         }
-        Integer[] foo = (Integer[]) result.toArray();
-        return foo;
+        return result;
     }
 }

arraz/src/test/java/ArrazTest.java

         arr = arraz.removeDupes(arr);
         Assert.assertEquals(arr.length, 5);
     }
+
+    @Test
+    
 }