个人这些年总结,实现的各种常用的java工具类,包括异常自定义,日志,文件操作,网络,加密,正则表达式,字符处理,时间处理,IO操作,JDBC,ZIP解压缩-Summarize in these years of the personal, to achieve a variety of commonly used java tools, including abnormal custom, log, file operations, network, encryption, regular e