example

Caculator is veri good which is helpful.eds

jsp网页连接数据库（access），并进行读写操作。这是一个典型实例，针对的是学生基本信息内容读写。(jsp page connect to the database (access), and read and write operations. This is a typical example, is for students to read and write basic information content)

说明：  jianli muban gezhogn xiangxing

本人刚从入门学到集合类;因为集合算是java里面比较重要的一部分,所以做了一个小型的超市购物系统,以便更好的学习和理解集合.(suitable for newbie to learn Collection and Map.)

仿腾讯QQ空间的DIV窗口，淡蓝色风格看上去很漂亮，不过源代码扣下来相当麻烦，这里使用jQuery的一款插件jBox来修改代替，效果还算行吧，它有两种方式调用 ，第一种是iframe，就是把另一个页面嵌入到div窗口中来；另一种是控制div标签，你可将显示的内容写到DIV标签内，然后在JS中引入需要控制的DIV ID号就行了。(Imitation Tencent QQ space DIV window, light blue style looks very nice, but the source code is quite troublesome buckle down, here s a plug jBox use jQuery instead to modify the effect is fairly okay, there are two ways to call it, the first one is the iframe, is to another page to embed div window the other is to control the div tag, you can display the contents written in the dIV tag, then the introduction of the need to control the dIV ID number on the line in JS a.)

这是http文件传输代码，用java语言编写，工程文件(The file transmission code through http )

java两种方法编写倒置的三角形，输出第一行7个，第二行5，第三行3个，第四行1个(two ways to write java inverted triangle, the first line of the output 7, the second line 5, the third line 3, the fourth line 1)

说明：  图片服务器的简单实现，图片服务器的简单实现图片服务器的简单实现(图片服务器的简单实现)

说明：  用mvc写book系统，用数据库建立表格并用domel对数据库进行增删改查(Mvc book written by the system, using the database to create tables and use domel additions and deletions to the database search)

写一个程序，实现任意类型文件的复制。从命令行输入原始文件名，输出文件与原始文件同名但扩展名为.bak。程序文件命名为Exe6_1.java。(Write a program that, for any type of file replication. From the command line input to the original file name, output file with the original file name and extension of.Bak. Program file named Exe6_1.java. )