java

阿里巴巴Java开发手册（正式版），一共5部分，主要是对Java开发时的一些规范及建议(Alibaba programs the standard)

跳水计分系统为实际工作中作为计数的一个小工具,希望对所需者有点帮助,,(Diving scoring system for counting practice as a small tools, hope to see a little help,,)

it is a very important source of loof study material

常用java小程序，里面包含一些适合初学者常用的典型java小例子；(java program_example)

通过用JAVA语言编程出可以窗口聊天的程序，跟QQ聊天窗口差不多。(By using the JAVA programming language that can chat program window, with the QQ chat window almost.)

23中Java设计模式 很详细地介绍了Java的23种设计模式 适合初学者(23 kinds of Java design patterns Very detailed introduces the 23 kinds of Java design patterns For beginners)

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.)

按照字符串的长度截取相应的字符串,加入循环条件实现长度在11个字符内的字符串批量切词~(In accordance with the length of the string interception corresponding string, add the length of the loop condition to achieve within the 11 character string batch segmentation ~)

数据库课程设计，教材管理系统，本系统能够投入实际的使用并且满足基本的功能要求。要求具有极高的可靠性、安全性和易维护性，具有较高的可移植性。 本系统实现了以下的功能： （1） 查询模块：根据种类，查询教材的相关信息； （2） 征订模块：根据需要，征订员将需要征订的教材数据输入教材信息表 （3） 采购模块：采购员审核教材征订的信息，如果需要采购则通过审核，否则 删除征订的信息 ⑷ 用户管理：用(atabase of curriculum design, materials management system, the system can allocate the actual use and to meet the basic functional requirements. Requires a very high reliability, security and easy-maintenance, high portability. The system to achieve the following functions: (1) Query Module: In accordance with the type of query-related information materials (2) Subscription Module: In accordance with the needs of Subscription Subscription Members will need to enter the teaching materials data information table (3) procurement modules: Purchaser audited Subscription information materials, if required by the procurement audit, or delete subscription information ⑷ User Management: User administrators can create user information, delete users, modify user information)

编写一个线段类 MyLine，要求如下: 主要属性有： x ，y ；类型为Point (查看API) 编写构造方法，如 MyLine(Point p1 , Point p2) 编写5个成员方法。如： 检查线段是否位于第一象限check()… 求线段的长度 length() … 判断两条直线是否相交(另一线段作为参数)。 编写一点到该线段（或延长线）的距离 其他方法。 注：编写方法时，考虑利用Point类的方法 编写测试程序 (Write a segment class MyLine, requirements are as follows: The main attributes are: x, y type Point (see API) the preparation of construction methods, such as MyLine (Point p1, Point p2) prepared by five members of the method. Such as: Check whether the line segment in the first quadrant check () ... order to segment the length of the length () ... to determine whether the two straight lines intersect (the other segment as a parameter). The preparation of 1:00 to the line segment (or extension) of the distance from other methods. Note: The preparation method, consider using the Point class approach to preparing test program)