question: @ Override public int hashCode ( ) { int result = bucketName . hashCode ( ) ; result = 31 * result + name . hashCode ( ) ; result = 31 * result + createdTime . hashCode ( ) ; result = 31 * result + ( int ) ( length ^ ( length > > > 32 ) ) ; result = 31 * result + etag . hashCode ( ) ; result = 31 * result + contentType . hashCode ( ) ; return result ; }
target:  Returns hash of this ObjectStat.