一个飞鸽的Java版源码，给想学习SWT和socket编程的人-Dove' s version of a Java source code to SWT would like to study people and socket programming

该程序是core java 的内容结合。主要利用了MAP进行存储，socket进行通信。SWT进行用户交互。主要模仿了现在银行ATM的部分功能。-The program is the content of the core Java. The main use of the MAP for storage, communication socket. SWT user interaction. Main mimic now part of bank ATM function.