protected int removeImpl ( int key , int defval ) { int index = Math . abs ( key ) % _buckets . length ; Record prev = null ; // go through the chain looking for a match for ( Record rec = _buckets [ index ] ; rec != null ; rec = rec . next ) { if ( rec . key == key ) { if ( prev == null ) { _buckets [ index ] = rec . next ; } else { prev . next = rec . next ; } _size -- ; return rec . value ; } prev = rec ; } return defval ; // not found }
Internal method for removing a mapping .