output: #fixed code
                                  @Test(expected = NullPointerException.class)
      public void testCreateNull() {
          new TemplateList(null,(String[]) null);
      }
input: #vulnerable code 
                                  @Test(expected = NullPointerException.class)
      public void testCreateNull() {
          new PatternList((String[]) null);
      } 
                              #location 3 
                              #vulnerability type NULL_DEREFERENCE