void function ( ) { }
does nothing . sub-classes may provide an implementation to minimize memory usage , but this is not required since many implementations will always have minimal memory usage . concode_field_sep PlaceHolder placeHolder concode_field_sep boolean containsKey concode_elem_sep void clear concode_elem_sep boolean isEmpty concode_elem_sep int remove concode_elem_sep boolean containsValue concode_elem_sep int size concode_elem_sep int tget concode_elem_sep int hashCode concode_elem_sep void putAll concode_elem_sep int get concode_elem_sep boolean equals concode_elem_sep List<ObjectKeyIntEntry> entryList concode_elem_sep String toString