用java编写的七星彩走势分析图，包括每一位数字在每一个位置上出现的频率-Qixing prepared using java color trend analysis, including each and every figure in every position on the frequency

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 t

字典程序，利用TreeMap对文本文档中的单词与出现频率数据进行字母表与数字的排序，增加，删除，查找等功能-Dictionary program, use TreeMap words of text documents and the frequency of occurrence data of the alphabet and numbers to sort, add, delete, search and other functions