wuziqi

编写一个复数类，可以进行复数加法和减法运算。编写一个包含main方法的类（应用程序）测试该复数类。要求该复数类至少包含一个无参的构造方法和一个带参的构造方法；数据成员包括复数的实部和虚部，为double类型；包括两个方法，分别实现复数的加法和减法运算。(Write a complex class, which can add and subtract complex numbers. Write a class (application) containing the main method to test the complex class. The complex class is required to include at least one parametric construction method and one parametric construction method; the data members include the real and imaginary parts of the complex, which are of double type; and two methods are included to realize the addition and subtraction operations of the complex respectively.)

说明：  shiro基础资料，包含简单的基本内容，供大家学习使用(shiro learning data for boay)

门禁系统 适合初学者学习的 控制台java程序 代码简单功能明确(Access control system suitable for beginners to learn a simple function of the console java code explicitly)

SSH实现的商城项目,就是基本的商城项目，内含数据库(Shopping Mall Project Implemented by SSH)

自己平时从网上搜集的http协议解析文档(Their normally collected from the Internet http protocol analysis document)

介绍INFOR公司的仓管软件WMS及其解决方案。(Introduced the company' s warehouse INFOR WMS software and solutions.)

简单魔力辅助，适合单机魔力；各种私服，带防挂不行(Simple Magic Assist, Suitable for Single Machine Magic)

this is the java tutorial

说明：  s7-200模块图 300的PLC模块和cup的电气图纸设计图库(S7-200 module diagram)

用JAVA编写的模拟客户端与服务器端的通信(Simulated using JAVA client and server communication)