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This ClassVisitor marks all NameAndType constant pool entries that are being used in the program classes it visits.

说明：  第一个项目：novel.spider（姑且叫他为spider吧）-jsoup,http-client 提供了三个最为底层的方法： ChapterFactory.getChapterSpider(NovelSiteEnum novelSiteEnum).getChapters(NovelSpiderUtil.getRelativeUrl(NovelSiteEnum novelSiteEnum, url)) 获取一个爬取对应网站的章节的实体，并执行爬取任务 ContentFactory.getContentSpider(NovelSiteEnum novelSiteEnum).getContent(NovelSpiderUtil.getRelativeUrl(NovelSiteEnum novelSiteEnum,url)) 获取一个爬取对应网站的内容的实体，并执行爬取任务 NovelDownloaderObserver observer = new NovelDownloaderObserver(url) 下载小说...(ChapterFactory.getChapterSpider(NovelSiteEnum novelSiteEnum).getChapters(NovelSpiderUtil.getRelativeUrl(NovelSiteEnum novelSiteEnum, url)) ContentFactory.getContentSpider(NovelSiteEnum novelSiteEnum).getContent(NovelSpiderUtil.getRelativeUrl(NovelSiteEnum novelSiteEnum,url)) NovelDownloaderObserver observer = new NovelDownloaderObserver(url))

simple chat application in java

java的一个爬虫抓取物流信息的小demo，本demo测试抓取快递100的物流轨迹信息(Java crawler to grab logistics information of the small demo, this demo test to grab express 100 logistics trajectory information)

初步学习Java的一些源代码，只作为学习利用。(The preliminary study of some Java source code, just as learning to use.)

说明：  简易的实现了管理员登录，查询，管理的功能(Simple realization of administrator login, query, management functions)

focus on writing SQL queries. In addition, you will embed your SQL queries into Java (using JDBC) to implement a “Fakebook Oracle,” a standalone program that answers several queries about the Fakebook database

五子棋网络对战基于tomcat websocket，java实现单机版和网络对战版五子棋程序，功能包括计时、悔棋、聊天、显示双方状态等等。首先第一个玩家先运行游戏，将自己的IP绑定，然后第二个玩家输入对方的IP连接。这样的话不管是哪一方都可以主动连接和被动连接。

一个简单的音乐播放器，不知道怎么样，大家凑合着看看吧(A simple music player, do not know how, we make do see it)

Handle "hello" messages and feature discovery.