get the size of the map . concode_field_sep long MAX_LOAD concode_elem_sep int len concode_elem_sep int size concode_elem_sep int level concode_elem_sep int maxDeleted concode_elem_sep int deletedCount concode_elem_sep int maxSize concode_elem_sep int minSize concode_elem_sep boolean zeroKey concode_elem_sep int mask concode_field_sep void checkSizePut concode_elem_sep int getIndex concode_elem_sep void checkSizeRemove concode_elem_sep void rehash concode_elem_sep void reset
int function ( ) { return size + ( zeroKey ? 1 : 0 ) ; }