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说明：  1. 能够实现根据以下关键字查询：学生姓名 、学号、班级、课程名称。 2. 能够实现按照单科成绩、总成绩、平均成绩、学号排序。 3. 能够实现学生信息的插入、删除和修改。 4. 能够查询每个课程的最高分、最低分及相应学生姓名、班级和学号。 5. 能够查询每个班级某门课程的优秀率(90 分及以上)、不及格率，并进行排序。(1. Be able to query according to the following keywords: student name, student number, class, course name. 2. It can be sorted according to single subject score, total score, average score and student number. 3. Be able to insert, delete and modify student information. 4. Be able to query the highest score and lowest score of each course and the corresponding student name, class and student number. 5. Be able to query the excellent rate (90 points and above) and failure rate of a course in each class, and sort them.)

Caculator is veri good which is helpful.eds

本实验为高级语言程序设计课程的综合实验，要求学生综合应用图形用户界面设计技术、网络编程技术和多线程技术完成一个设计一个网络黑白棋（翻转棋）程序，可以进行两人游戏，多人观战。即两个玩家通过网络进行较量，别人可以观战和发言。(java chess heibaiqi)

Java beans for read data from CSV file

knn算法,java 源码实现,简单有效的算法(algorithm of knn，a simple and efficient algorithm )

一个制作的简单的小汽车模型，运用VRML中的。(a car)

新浪微博反编译的Java源代码，这里主要提供调用的几个类。(Sina microblogging decompile the Java source code, called here the main provider of several classes.)

实现了一个简单的数据库功能.包括 录入,查询,修改,显示所有记录,等等的基本的数据库功能 .(It implements a simple DB function,includes inputting,querying,modifying and displaying all the records,etc.)

this is very useful e-book for JavaScript.

MQL4命令中文手册，帮助学会如何使用MQL4(MQL4 command Chinese manual to help learn how to use MQL4)