说明：  该演示程序最初来自Sun公司的Java网站。笔者添加了另外三个算法（插入，堆和Shell排序）。这样一共有六个排序算法同时演示，（包括起泡排序，双向起泡和快速排序 ）。
(the initial demo program from Sun's Java Web site. The author adds another three algorithms (insertion, sculpture and Shell ranking). A total of six such an algorithm also demonstrated (including bubble sort, bidirectional bubble and the rapid sequencing).)