private V putForNullKey ( V value ) { for ( Entry < K , V > e = table [ 0 ] ; e != null ; e = e . next ) { if ( e . key == null ) { V oldValue = e . value ; e . value = value ; e . recordAccess ( this ) ; return oldValue ; } } modCount ++ ; addEntry ( 0 , null , value , 0 ) ; return null ; }
Offloaded version of put for null keys