这个是用系统时间产生随机数应用的一个小程序，用到了J2ME底层绘图机制。功能：在你输入4个选项后，系统自动筛选出一个结果。就像考试时a,b,c,d四个选项瞎蒙出来一个-This is the system time with the application of random numbers generated in a small procedure, use the bottom of the drawing mechanism of the J2ME. Function: you inpu

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.