My Java Studio, some testing code and usage of open-source code, which are tested to verify the functionalities before being used in real projects, or tested for study/investigation. 一些测试代码和开源代码的使用测试，以便在正式项目中使用之前验证功能是否满足要求。

And some customized utilities, encapsulated open-source code. 另外还有一些小工具、以及对开源代码的封装使用。

• Cache related:
  • A local cache example using ConcurrentHashMap (package: com.xjj.cache.local)
  • Guava Cache: an example for using Guava cache framework, including management web page (refer to: http://blog.csdn.net/clementad/article/details/46491701)
  • Redis: A simple example using spring data redis
• Database related:
  • MyBatis (resource: db.properties, spring/db.xml; com.xjj.dao, com.xjj.mapper)
  • HikariCP connection pool (resource: spring/db.xml)
  • MySQL access
  • SQL Server (2000, version 8) access
• FreeMarker: A simple implementation of freeMarker (refer to: http://blog.csdn.net/clementad/article/details/41862155)
• FTP: A simple FTP client with progress shown
• HTTP Client
• Intercepter: MethodInterceptor
• Log4j 2.x Configuration (refer to: http://blog.csdn.net/clementad/article/details/44625787)
• Math and Format: BigDecimal, NumberFormat
• POI/Excel example
• Spring related:
  • Spring Batch (com.xjj.spring.batch)
  • SpringMVC example
• Timers
• Utilities:
  • ClassPathUtils
  • DateUtils
  • FileAccessUtils
  • RandomUtils
  • RegexUtils
  • StringUtils

• Example to trigger the web browser to be in Full Screen state.
• HTML Dialogs
• NoCache Filter
• SpringMVC receive Form Data or Query String using Map, MultiValueMap. (refer to: http://blog.csdn.net/clementad/article/details/43955741)
• SpringMVC receive JSON data using Map. (refer to: http://blog.csdn.net/clementad/article/details/43955741)
• Usage of JQuery plug-in: bigautocomplete (test-tool.html)