多种常用开发语言（java，c++，.net，js等）代码统计小工具 包含存代码行，注释，空行等统计 -Multiple common development languages (java, c++,. Net, js etc.) code statistical small tool contains deposit code line, annotation, blank lines other statistical

Hadoop分布式文件系统HDFS访问例程，为Java界面程序，通过IOUtils.copyBytes可将 本地上传文件到HDFS；或从HDFS下载文件到本地硬盘。开发环境为Eclipse。-Hadoop Distributed File System HDFS access routines for Java interface program, through IOUtils.copyBytes can upload files to the local HDFS or downloa