L1_helloworld

spring mvc 搭建的一套框架，里面权限控制，拦截器，日志都有了(Sprmvc builds a framework, which includes permission control, interceptors, and logs.)

创建四个类，分别为Employee类、SalariedEmplyee类、HourlyEmployee类和CommissionEmployee类。其中Employee类是其他三个类的父类。Employee类包含姓名和身份证号。除此之外，SalariedEmployee类还应包含每月工资；HourlyEmployee类还应包含每小时工资数和工作时间数；CommissionEmployee还应包含提成比例和销售总额。每个类都应有合适的构造方法、数据成员的设置和读取方法。编写一个应用程序，创建这些类的对象，并输出与对象相关的信息。注意子类有时需调用父类的构造方法和被覆盖的方法，成员变量定义为private,对有些方法实现重载。 (Create four categories, namely the Employee class, SalariedEmplyee class, HourlyEmployee classes and CommissionEmployee classes. Employee class is the parent class where the other three classes. Employee class contains the name and ID number. In addition, SalariedEmployee class also includes a monthly salary HourlyEmployee class should also include the number of hourly wages and the number of working hours CommissionEmployee should also include the proportion and total sales commission. Each class should have the right to set and read the constructor method, data members. Write an application to create objects of these classes, and output information associated with the object. Sometimes need to call attention to a subclass of the parent class constructor and methods are covered, member variables defined as private, to achieve overloading of some methods.)

纯手编的超市会员管理系统，可支持会员注册，会员登录(验证码功能)，会员查询，会员删除等功能，界面友好，易于操作。(Pure hand-woven supermarket membership management system that supports membership registration, member login, membership inquiries, membership and delete functions, user-friendly, easy to operate. )

学习java基础的小游戏，简单地写出java实现双缓冲技术，使物体动起来的代码(Learn the basics of Java games, simply write out the Java implementation of double buffering technology, so that objects move up the code)

Java 开发的弹跳球小游戏代码. 便于理解OO的概念.(Bubbles Game, developed in Java, easy to understand OO design in Java)

Mybaties 的基础入门1， 开发工具 IDEA， TomCat，SQL(Introduction to Mybaties 1, Development tools IDEA, TomCat, SQL)

具有卓越的通用性、高效性、平台移植性和安全性，非常实用。(Excellent versatility, efficiency, platform portability, and security, very practical.)

apache上传控件 里面包括apache官方提供的开发包 和一个jsp页面 (apache apache upload control which includes official development kit and a jsp page)

使用java编写的模拟atm的代码，多线程操作，实现了存取查询功能(Atm using the java code written in simulation, multi-threaded operation, to achieve the access search functions)

实现smtp协议。根据HTTP协议的会话过程，本实例中实现了GET请求的Web服务器程序的方法(Smtp protocol to achieve. HTTP protocol session in accordance with the process, the example of a GET request in the Web server program method)