spatialindex.java.044b

springboot 的启动类，关于gateway的启动，。。。。。。。。。。。。。。。。。。。。。(springBootCoreApplication)

办公查询系统实现员工信息查询，部门查询，职位查询等信息(Office inquiry system realizes staff information inquiry, Department inquiry, position inquiry and other information.)

用Java开发的小的关于计算器的源代码可以直接运行(With Java development little about calculator source code can be run directly)

java AES 和 DES加密解密工具类(Java AES and DES Encryption and Decryption Tool Class)

用户管理系统，可以从文件中读取，也可以从数组中读取。DB的读取方式没写全(User management system that can read from the document can also be read from the array. DB did not write the way of reading the entire)

一封家书。实现类的集成以及多态性，很好的练习题目。实现家书书写版本(A letter home. Achieve integration and polymorphism, practice questions. Letter writing version)

creation fichier PDF a partir de n importe quelle format cool

设计一个简单的课程管理系统（CourseManager）。主要功能包括： 课程信息的录入。主要包括：课程号（no）、课程名（name）、学分（grade）等； 课程信息的查询。根据课程号、课程名和学分等查询课程的信息。注意：查询结果可能不唯一。 课程信息的修改。根据课程号查询到指定课程的信息，再用新的内容替换。 课程信息的删除。根据课程号删除指定课程的信息。 设计时，采用层次化设计法，将类分为界面层（ui）、功能层（business）和持久层（persistence）3层，放在不同子包中。整个系统的代码放在exe4_2包中。(Design a simple course management system (CourseManager). Key features include: Entry course information. Including: course number (no), course name (name), credits (grade) and the like Queries course information. Information based curriculum, course name and credit and other inquiries courses. Note: query results may not be unique. Modify course information. Inquiry based curriculum to the specified courses, and then replaced with new content. Remove course information. Remove a specified course of information based curriculum. Design, the use of hierarchical design method, the class is divided into the interface layer (ui), the functional layer (business) and persistence (persistence) 3 layers in different sub-packages. The system code in the exe4_2 package.)

java模拟时钟，可在换数字时钟和模拟时钟之间切换(java analog clock, switch between change digital clock and analog clock)

智能家居的设计和开发应用，关于智能家居的设计和开发应用(Intelligent home control system design and development, on the smart home control system design and development)