mannheim-compass

记账：记录收入支出情况，随时可查看账单明细(Bookkeeping: recording income and expenditure, the details of the bill can be viewed at any time)

Java 正则表达式,对于想深入学习java的朋友很有帮助(Java regular expression, who want to study in depth java helpful friend)

protocol of uniguard gps tracker

This present a primer for people who are unfamiliar with the Java language. This introduction is intended to allow you to develop the Java skills necessary to understand basic programs.

数字证书注册和签发系统，利用JCA和JCE实现数字证书的注册，并提供一个密钥库管理以及私钥的存储和导出以及传输得安全机制(Digital certificate registration and issuance system, the use of JCA and JCE realize digital certificate registration, and provide a key database management, and private key storage and export, as well as a security mechanism for transmission)

可靠UDP协议实现数据传输，主要实现简单的可靠UDP数据通信，实现基本收发功能(reliable UDP use java you can use eclipse to run the object)

java编程思想的题，用awt写的音频播放器，能实现多种循环方式。(java programming ideas for the title, written by awt audio player, can achieve a variety of cycle ways.)

设计一个邮寄包裹的收费系统，在邮寄类型确定的情况下，包裹的邮资由包裹的重量a，邮寄距离b，保价金额c三个参数决定。 如：普通邮件(RegularMail)的邮费 = 3(a+b/100)+0.01c 挂号邮件(RegisterdMail)的邮费 = 4(a+b/100)+0.02c等等 请设计一个系统，计算包裹的邮资。系统使用图形用户界面，用户在图形用户界面选择邮寄类型，再输入重量、距离和报价金额，单击确定按钮系统就计算出包裹的邮资。要求系统能够灵活的增减邮寄类型和修改某种邮寄类型的邮资计算方法。(Design of a parcel of charge system, the type identified in the case of mail, parcels by the weight of the parcel postage a, mailing distance b, c insured amount three parameters. Such as: regular mail (RegularMail) postage = 3 (a+b/100)+0.01c registered mail (RegisterdMail) postage = 4 (a+b/100)+0.02c etc. Please design a system to calculate the parcel postage. System using the graphical user interface, users select the mail type graphical user interface, and then enter the weight, distance and offer amount, click the OK button the system will calculate the parcel postage. Require the system to increase or decrease mailing flexible type and modify some types of mailing postage calculation.)

说明：  实现GPS信号的无码捕获及多普勒频移获取(Acquisition of GPS Signal and Doppler Frequency Shift)

医疗问卷提醒业务功能实现。可得到健康咨询(Medical questionnaire remind business functions)