通过例子进行指导网络编程，以及窗口的处理，使使用着对网络和java有更高的认识-network programming guide, and the processing window, the use of a network of java and a higher awareness

JDBC的一个示例程序，帮助理解JDBC编码及学习应用-An example of a JDBC program to help understand JDBC coding and learning applications