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Java教程2-3章全部示例程序 源代码，可供初学者学习(Java Tutorial 2-3 Chapter Full sample program source code, for beginners to learn)

说明：  阿里巴巴 Java 开发手册，本手册的愿景是码出高效、 码出质量。(Alibaba java development manual, the vision of this manual is to code efficiently and code quality.)

Java application game that includes a fighter that destroys asteroids.

Struts2和Freemarker的配置说明(Struts2 and Freemarker configuration instructions)

java连接到mysql的方法，非常有用(java connect to mysql method is very useful)

项目07_使用MVC+DAO完成用户登陆(代码+笔记)(Project 07_ using MVC+DAO complete user login (code+ notes))

3.已知车辆（Vehicle）包括机动车（MotoVehicle）和非机动车（NonMotorVehicle）2种。小汽车（Car）、公交车（Bus）等属于机动车，自行车（Bicycle）等属于非机动车。随着能源技术的发展，出现了电动自行车（ElectricBicycle）、电动小汽车（ElectricCar）、天然气公交车（NaturalGasBus）等新型车辆。车辆的共同特征是都能够运行（run），并且有唯一的5位车牌号（LicenseNumber）。机动车的共同特征是采用燃油发动机（FuelEngine），且能够驾驶（drive）。自行车的共同特征是能够骑行（ride）。电动车辆的共同特征是由电池（Battery）驱动。天然气车辆的共同特征是采用天然气（NaturalGas）作为动力。 要求： (1)设计一个类体系描述上述车辆，写出它们的属性和方法。 (2)一家公司（Company）拥有10辆普通小汽车、5辆公交车、2辆电动小汽车和1辆天然气公交车，要求写一个方法listVehicles（）显示所有车辆的信息（车牌号以及采用的动力）。 程序文件命名为Exe4_3.java。(3. Known vehicle (Vehicle) including motor vehicle (MotoVehicle) and non-motorized (NonMotorVehicle) 2 species. Cars (Car), bus (Bus), etc. to motor vehicles, bicycles (Bicycle), etc. are non-motor vehicles. With the development of energy technologies, the emergence of electric bicycles (ElectricBicycle), electric cars (ElectricCar), natural gas buses (NaturalGasBus) and other new vehicles. A common feature of the vehicle is able to run (run), and there are only five license plate number (LicenseNumber). Common feature is the use of a motor vehicle fuel engine (FuelEngine), and is capable of driving (drive). Common feature is the ability to ride a bike (ride). Common characteristics of the electric vehicle is driven by a battery (Battery). A common feature is the use of natural gas vehicles (NaturalGas) as the driving force. Claim: (1) describe the design of a class system of the vehicle, write their properties and methods. (2) a company (Company) owns 10 ordinary cars, five buses, )

JAVA横竖倒显示输入的字符串 代码,代码出处：http://www.itneng.com/thread-4121-1-1.html 代码可直接编译(JAVA print)

精通MQ文档，详细介绍MQ在应用过程中的深入学习方法(Proficient in MQ documentation detailing the process in the application of MQ-depth learning method)

图形界面示例源代码，该压缩文件为Java网络编程的一些例子(Graphical interface sample source code, the compressed file for the Java network programming some examples of)