utils

oints in data to the points in model. Fit with respect to minimize the sum of square

一个JSP的在线考试系统,各个功能都很完善,有学生在线考试,和教师后台管理系统(an online examination system, each function is perfect, students online examinations, and teachers background Management System)

Java版的企业人事管理系统完整版源码，采用Oracle数据库，运行于Eclipse，压缩包内附有配置文档和系统说明。这套系统可完成档案管理、人事管理、考勤管理、工资管理、用户管理、财务报表等功能。界面漂亮友好，是学习的第一手资料。(Java version of the enterprise personnel management system for the full version of source code, using Oracle database, running on Eclipse, compression packages and system configuration documentation is enclosed instructions. The system is complete file management, personnel management, attendance management, payroll management, user management, financial reporting and other functions. Nice and friendly interface, is to learn first-hand information.)

基于Java编写的一个记事本工具，能够支持简单的文本编辑与保存，同时实现了一个HTTP下载功能，能够支持HTTP文本下载。(Notepad tool written in Java, can support a simple text editor and save at the same time an HTTP download function to support HTTP text download.)

3D地球仪,可以显示360度的视角可以显示360度的视角可以显示360度的视角(3D globe)

电子地图的简单实现，可以提供给初学者参考(Simple implementation of the electronic map, reference can be provided to beginners)

Property Permission extends Basic Permission Source Code for Andriod.

清华BBS源代码，希望大家喜欢(Tsinghua BBS source code, hope you like)

Java SpringBoot整合dubbo实例(Java SpringBoot integration dubbo Example)

Java程序设计语言经典教程，从理解Java设计思想的层面上来学习Java编程。(Java programming language classic handbook, from the level of understanding of the design ideas come to learn Java Java programming.)