这是一个文件的上传下载程序,比较简捷,易于学习

复数计算.实现复数的加，减，乘，除运算-complex calculation. Plural achieving the addition, subtraction, multiplication and Operational

java 虚拟机的规范，里面详细的对jvm的解析。-java virtual machine specification, which detailed parsing of the jvm.

用java实现的多电梯调度程序，共有5个电梯，20层楼，运用操作系统调度思想实现的多线程模拟电梯调度。-Using java to achieve multi-elevator dispatching procedures, a total of 5 lifts, 20 floors, the use of operating systems scheduling ideas to achieve the multi-threaded simulation of elevator dispatching.

Java多线程演示程序-Java multithreading Demonstration Program

新手可以看看，增加对利用java编程的理解。- The novice may have a look, to increase to uses the java programming the understanding.

java菜单设计小例子-java menu design small example

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一个即时消息系统的源码，包含服务器端和客户端。-an instant messaging system source code, includes server and the client.

一个SSH做得网上购物后台系统，附带数据库可以下载看看。-SSH has done a back-line shopping system, with the database can be downloaded to see.

PoolMan 库和可视的JDBC2.0驱动程序提供了JAVA对象群，以及特别的扩展功能，用于处理数据库资源和暂存对多个数据库的SQL查询/结果。PoolMan在企业应用级上删除了一个通常的瓶颈，最大化实现了JDBC用于servlets，Jsp和其他的JAVA数据库应用程序的性能。-PoolMan library and the visual JDBC2.0 driver for the Java Object group, and special extensions for processing and database resources to multiple databases pending SQL queries/results. PoolMan in-class enterprise applications to delete a usual bottlenecks, maximize realization of JDBC for servlets, Jsp and other Java database application performance.