Code_Examples

a book for effective java

苏苏与朱朱的文件管理系统(interminably with the document management system)

说明：  关于操作系统生产者与消费者的源码,没有解压密码.(operating system on producers and consumers of the source, without extracting passwords.)

说明：  一只青蛙一次可以跳上1级台阶，也可以跳上2级。求该青蛙跳上一个n级的台阶总共有多少种跳法。要求：分别用普通方法和递归方法实现(A frog can jump up a step or two at a time. Find out how many jumping methods the frog can use to jump up an n-step. Requirements: Implemented by common method and recursive method respectively)

用JAVA语言编写的发牌程序，能够实现随机发牌的功能。(Using Java language licensing procedures, random licensing.)

这是一个网络五子棋的小项目，也许有许多地方不足，有需要的朋友可以下载。(zhe shi wu zi qi de xiao xiang mu,you xu yao de ke yi xia zai.)

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, )

先它是一个开源的项目；它是一个基于IoC和AOP的构架多层j2ee系统的框架，但它不强迫你必须在每一层 中必须使用Spring，因为它模块化的很好，允许你根据自己的需要选择使用它的某一个模块(First it is an open source project it is a framework based on IoC and AOP framework for multi-j2ee system, but it does not force you to use in each layer must be Spring, because it is very modular, allowing you to according to their need to select a module to use it)

ClassFileAssembler.Class File Assembler Source Code for Andriod.

Excel中是没有HashMap这个对象的，用惯了Java的程序员，如果需要用到Excel的Hashmap，可以参考附件的源码(Excel is not the object HashMap, used to the Java programmers, if you need to use Excel s Hashmap, you can refer to the attached source)