Lab3

一个javacard2.2.2的helloworld applet.(a javacard2.2.2 the helloworld applet.)

java练习的源代码，我的初始学习，请多多关照(java source code of practice, my initial study, please take care of)

javase的第一个练习，对于初学者很有参考价值。(javase first exec, it is useful for fresh)

java 简易计算器．除了可以进行科学运算外还可以进行日期的减法运算．(java simple calculator. In addition to scientific computing, but also can be the date of the subtraction operator.)

说明：  这是手机的射击游戏,有一定的参考价值,可编译(shooting games, a certain reference value, compiler)

this is java reference books.

说明：  Java与数据库，能用applet小程序或frame最好，建立数据库，创建表，进行简单的查询，删除，修改即可(Java and database)

实现"勇敢的猪"这款游戏的最基本功能,如游戏界面,操作控制,游戏设置,玩家排行榜与帮助等(To achieve the most basic functions of the "brave pig" game, such as game interface, operation control, game settings, player ranking and help, etc.)

学生管理系统编程,有很多功能哦 不错的(student management system programming, has a lot of functions, oh good )

简单的javaee写的聊天室功能，内容很简单。很适合初学者。大家可以看看。(Javaee write simple chat room function, which is very simple. It is suitable for beginners. We can look at.)