bloom filter的一种实现
/** * quickpoint, jkltk2000 AT 126 DOT com. * Copyright (c) 2012 All Rights Reserved. * Code is licensed with BSD. See COPYRIGHT.BSD file. */package com.quickpoint.bloomfilter;/** * BloomFilter * * * 具体原理见: http://en.wikipedia.org/wiki/Bloom_filter * * * @author kui.lijk * @version $Id: BloomFilter.java, v 1.0 2012-5-19 kui.lijk Exp $ */public interface BloomFilter { /** * 增加字符串。 * * * 向过滤器中增加字符串,改变过滤器的内容 * 如果字符串已经在过滤器中存在,