Fixed bug in ProbingHashMap - clear() method was not clearing array elements in loop, missing square braces

Author: Kietzmann

src/com/jwetherell/algorithms/data_structures/HashMap.java

@@ -514,7 +514,7 @@ public V remove(K key) {
         @Override
         public void clear() {
             for (int i=0; i<array.length; i++)
-                array = null;
+                array[i] = null;
             size = 0;
         }