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在实际JAVA开发中一些常用工具！包扩各种JAVA格式化输出和字符串处理。对初学者有用！-JAVA development in the actual number of commonly used tools! JAVA expansion pack various formatting output and string handling. Useful for beginners!

javascript一些基本的用法,正规表达式,验证码.-javascript use of some basic regular expressions, Verification Code.

java 核心技术 让你更了解java，对网络编程人员非常有帮助-java core technology to allow you a better understanding of java

java Panel

操作步骤： 1.附加数据库 附加D: omcat5.0webappschap16目录下的chatdb_Data.MDF数据库文件。 2.运行 启动Tomcat，然后在浏览器中输入http://localhost:8080/chap16/login.jsp。在文本框中输入用户名：tom，密码：123，选择会员。即可进入。-Steps: 1. Additional attach database D: omcat5.0webappschap16 directory database file chatdb_Data.MDF. 2. Run to start Tomcat, and then enter in your browser http://localhost:8080/chap16/login.jsp. In the text box to enter a user name: tom, password: 123, select Member. To enter.

例外处理当除数为0的情况，如何进行异常处理，如何创建异常抛出类-Exceptions to deal with when the divisor is 0 the situation, how exception handling, how to create unusual type out

复数计算.实现复数的加，减，乘，除运算-complex calculation. Plural achieving the addition, subtraction, multiplication and Operational

从开始配置到使用以及一些简单的例子，对新手入门very good-configuration from the outset that the use of some simple examples of very good Getting Started

用java写的记事本程序，跟操作系统的记事本很相似。-with java written in the notebook procedures with the operating system is very similar to the notebook.

采用java技术开发的日历控件，方便开发人员使用该控件，简化日期的操作。-Technology development using java calendar control, facilitate the development of staff to use the controls to simplify the date of operation.