MVC

3.设计一个能够描述点（point）、线(line)、圆（circle）、矩形（rectangle）和三角形（triangle）等几何形状的类体系，能够计算不同形状的周长和面积（如果能够定义的话）。程序文件命名为Exe3_3.java。(3. Design a point can be described (point), line (line), circle (circle), class hierarchy rectangle (rectangle) and the triangle (triangle) and other geometric shapes, different shapes can calculate perimeter and area (if you can define if). Program file named Exe3_3.java.)

SSM 通用教学管理系统.实现了学生信息管理以及课程管理和排课管理等功能.(SSM general teaching management system)

calculate catalan number

自学ssm，根据课题需要开发的一个小系统，web层(ssm this is module web)

说明：  对于初学JAVA语言的人来说,经常对eclipse这个开发工具的使用很不熟悉,这个PDF文件可以帮助你进行很好的了解和掌握(JAVA language for beginner people, often eclipse the use of development tools is very familiar with, this PDF document can help you carry out a very good understanding and knowledge of)

GUI界面用于读取excel数据并显示，显示统计图：饼状图，柱状图和折线图 (GUI interface for reading excel data and display, display charts: pie charts, bar charts and line charts)

Socket（套接字）最初是由加利福尼亚大学Berkeley（伯克利）分校为UNIX操作系统开发的网络通信接口，随着UNIX的广泛使用，Socket成为当前最流行的网络通信应用程序接口之一(Socket (socket) was originally developed by the University of California Berkeley (Berkeley) campus for the UNIX operating system, development of network communication interface, with the widespread use of UNIX, Socket become the most popular application programming interface of network communication)

endotesting used to recursive test a important tech tool for QA

springboot demo 亲测可用(springboot demo program)

an example of bank account in java