郭克华-J2ME移动开发实战教学视频 10. 数值运算,字符串处理,时间管理-Guo Ke-hua-J2ME mobile development real teaching video 10. Numerical calculations, string handling, time management

用J2ME+Eclipse编写的个人手机收支管理系统。该系统能添加，存储，删除借还款记录，并记录操作时间。-Written with J2ME+ Eclipse personal phone revenue and expenditure management system. The system can add, store, delete, by repayment record, and record the operating time.