这是一个好的软件， 这是一个好的软件，

用ｊａｖａ写的关于工厂方法设计模式的程序，它比较简短，并且比较好理解。-with java wrote on the factory model designed procedures, it is relatively short and relatively easy to understand.

这里有很多实用的java例子代码，希望对大家学习java有所帮助。-There are many practical examples of java code, and want to help them to learn java.

alter table tbl_name add col_name type 例如,给表增加一列weight mysql>alter table pet add weight int 删除列 alter table tbl_name drop col_name 例如，删除列weight： mysql>alter table pet drop weight 改变列 alter table tbl_name modify col_name type 例如，改变weight的类型： mysql> alter table pet modify weight samllint 另一种方法是： alter table tbl_name change old_col_name col_name type 例如： mysql> alter table pet change weight weight samllint 给列更名 mysql>alter table pet change weight wei 给表更名 alter table tbl_name rename new_tbl 例如，把pet表更名为animal mysql>alter table pet rename animal -alter table tbl_name add col_name type for example, to form an increase in weight mysql> alter table pet add weight int Remove Columns alter table tbl_name drop col_name For example, the deletion of column weight: mysql> alter table pet drop weight change out alter table tbl_name modify col_name type for example, the type of weight change: mysql> alter table pet modify w

很不错java的SNMP应用例子，含源码-Java a good example of the SNMP applications, including source

读取用户自定义环境变量-reading the user-defined environment variables

用了就知道,不用我多说-spent know, I do not have to say

JAVA 基础例题包含了JAVA常见的问题和常见的习题，对于初学者很有帮助。-JAVA Example basic JAVA contains frequently asked questions and common exercises, useful for beginners.

Java Maze3D迷宫游戏源码，浏览器上只要安上JAVA解释器就能运行，三维显示迷宫，点击 "New" 按钮开始迷宫之旅, 找不到出口的时候点击"Solve" 按钮显示红色的出口线路，点击"Clear" 清除解答。按上、下、左、右光标键可以单步找出口。-Maze Game Java Maze3D source, as long as the browser installed on JAVA interpreter will be able to run a maze of three-dimensional display, click " New" button to start journey maze, can not find time to click on the export of " Solve" button to show the exports of the red line , click " Clear" to clear answers. By up, down, left and right cursor keys can be single-step to find export.

这是利用JavaScript中的session对象来设置的简易购物车-session

很好的一个现实表格树的 程序， 在java开发环境中直接运行-tabtree eclipse good