Exe3_3

AFD to Regular Expression

网上文件管理系统：myeclipse开发的，可以上传下载文件，struts2框架，附带mysql数据库(Online document management system: myeclipse developed can upload and download files, struts2 framework with mysql database)

The schedule control,Similar to Google (The source code,Similar to Google )

说明：  java 实现的签名方案，支持多种签名方案(java program to achieve the signatures in support of a variety of signature scheme)

仓库管理系统，用纯jsp页面编写，没有javabean内容，学习jsp页面者首选例子(Warehouse management system, with the preparation of pure jsp page, there is no JavaBean content, learning from the preferred example of jsp page)

要将 MenuBar 加入一个Frame 中，应使用的方法是？ A. setMenu() B. setMenuBar() C. add() D. addMenuBar() 2. 使用哪一个布局管理器时，当Frame 的大小被改变时Frame 中的按钮的位置可能会被改 变? A. BorderLayout B. FlowLayout C. CardLayout D. GridLayout(To add a Frame MenuBar, the method should be using? A. setMenu () B. setMenuBar () C. add () D. addMenuBar () 2. When using a layout manager which, when Frame Frame size is changed in the position of the buttons may be changed? A. BorderLayout B. FlowLayout C. CardLayout D. GridLayout)

java 循环结构的知识点 我们才入门java的可以看看 知识点比较详尽 (Java circulation structure of knowledge points We can see the knowledge more detailed introduction to Java)

说明：  如何搭建springboot，springcloud入门(How to Build Springboot, Introduction to Springcloud)

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.)

Test the class {@code com.android.dx.util.Bits} for Java.