Portal-Basic-Java-Web

分支限界算法求最大团问题，java源码，分支限界法的一个经典问题解决。(A branch and limit method for solving the problem of the maximum mass)

科学计算器，实现科学计算，模拟windows计算器(Scientific Calculator)

live wire test app on android application

Content Handler Factory Test extends Test Case.

编写一个复数类，可以进行复数加法和减法运算。编写一个包含main方法的类（应用程序）测试该复数类。要求该复数类至少包含一个无参的构造方法和一个带参的构造方法；数据成员包括复数的实部和虚部，为double类型；包括两个方法，分别实现复数的加法和减法运算。(Write a complex class, which can add and subtract complex numbers. Write a class (application) containing the main method to test the complex class. The complex class is required to include at least one parametric construction method and one parametric construction method; the data members include the real and imaginary parts of the complex, which are of double type; and two methods are included to realize the addition and subtraction operations of the complex respectively.)

说明：  中科院的研究的关键词提取技术，能够进行文章的分词和关键词提取(Keyword extraction technology for research in the Chinese Academy of Sciences, capable of article segmentation and keyword extraction)

播放加密音乐文件，可以加密，然后加密后播放，手机APP开源代码(mp3 download encrytion and play)

Handle "hello" messages and feature discovery.

说明：  采用Java实现科研管理系统，实包括科研人员管理以及科研项目申请等功能(Using java to realize the scientific research management system, including the functions of scientific research personnel management and scientific research project application)

A source code of international Chin chess, have the referenc