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一个使用spring-security管理权限控制的具体示例(A concrete example of using spring-security to manage permission control)

Java基本类型，基本类型之间的转化。运算符的使用。(Basic types of Java，Between the basic types of transformation.The use of the operator.)

说明：  java编程思想第四版习题答案，非常详细。(java programming fourth edition of Exercises thinking the answer, very detailed.)

本文先简要地介绍正则表达式的入门知识，然后以Jakarta-ORO API为例介绍如何使用正则表达式。(This article first briefly describes introductory knowledge of regular expressions, and then to Jakarta-ORO API example describes how to use regular expressions.)

Multiplayer game using java

这是一个java编写的航空订票系统,很好的哦,(This is a Java code airline reservation systems, very good oh,)

js实现自动向左移动的菜单，当鼠标移动到菜单项时，菜单停止移动。(js automatically move to the left menu, the menu stops moving when the mouse to the menu item.)

用JAVA写的带通滤波代码，实现思路很简单，没有采用各种数字滤波的方法。而是通过傅里叶变换到频域，将要求外的频率均置0，再逆傅里叶变换得到的。效果还不错。(Written using JAVA bandpass filtering code to achieve the idea is very simple, without using a variety of digital filtering approach. But through the Fourier transform to the frequency domain, the frequency requirements are set to 0, then the inverse Fourier transform. Results were pretty good.)

上传下载java很简单很实用的代码，已经测试可以正常使用的(up/load for java)

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