code: public boolean getBoolean(int index, boolean otherwise) {
          Boolean b = getBoolean(index);
          return b == null ? otherwise : b;
      }
docs: Returns the <code>boolean</code> at index or otherwise if not found.
  
  @param index
  @return the value at index or null if not found
  @throws java.lang.IndexOutOfBoundsException if the index is out of the array bounds