采用java编写的处理PDF文档的程序，可从PDF文档中抽取txt文本，可与lucene搜索引擎相结合。-adopting the java programs compiled to dispose the PDF document, taking out the txt text from the PDF document, and combining with the lucene searcher.

一个JAVA的网络爬虫源码，可以爬取包括PDF,DOC,HTML等内容，相当不错！-A JAVA source network reptiles can climb check, including PDF, DOC, HTML and other content, very good!

是网络爬虫方面的PDF格式的文档资料，主要介绍了爬网方面的技术原理及代码示例，涉及到JAVA方面的线程知识。-Reptiles in the network documentation in PDF format, focuses on the crawl technical principles and code samples, related to the knowledge of JAVA in the thread.