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spinner的应用源码，非常酷炫，很好的资源(spinner application source code, very cool, very good resource)

泛型是Java SE 1.5的新特性，泛型的本质是参数化类型，也就是说所操作的数据类型被指定为一个参数。这种参数类型可以用在类、接口和方法的创建中，分别称为泛型类、泛型接口、泛型方法。Java语言引入泛型的好处是安全简单。 (Generic is the Java SE 1.5 new features, the nature of generic type parameters, that is operated by the data type is designated as a parameter. This parameter type can be used in class, the creation of interfaces and methods of the respective category as generic, generic interfaces, generic approach. Java language advantages of the introduction of generic security simple.)

实现对象的序列化与反序列化，定义一个student对象，实现对对象的添加、删除、修改、退出等的操作。(To achieve the object serialization and deserialization, define a student objects to realize the object to add, delete, modify, withdraw from such operations.)

给学JAVA的一些提示和警告，帮助学习和使用java，新手必读( )

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.)

机器学习中Perceptron算法统计词频(The statistics of words of perceptron algorithm in Machine Learning)

都市供求信息网：基于ssh框架 实现都市需求信息的管理。(City Trade Information Network: ssh-based framework to achieve the urban demand information management.)

【实例简介】

说明：  Android Studio 源代码工程，帮助大家查阅审核，编写时可以做参考(Android Studio Main Project)

说明：  铁锈之心多线程铁解包打包自带额外加密，支持对官方格式二次加密！(Rust Heart Multithread Iron Unpackaged Package with Additional Encryption!)