OAsystem

DE算法作为一种新的进化算法被广泛关注，它的改进算法层出不穷，但最经典的莫过于JADE(DE algorithm has been widely concerned as a new evolutionary algorithm. Its improved algorithms emerge in an endless stream, but the most classic is JADE.)

gps demo takes internal gps word and writes it to screen

学生基本信息： 表达学号，学生姓名，性别，籍贯，班级，专业，入学时间等信息。 课程基本信息： 表达各专业和学制的课程内容，主要为：课程名称、教师、学时、学时。 专业基本信息： 表达各类专业 班级基本信息： 表达班级(java school)

说明：  JD-GUI是一个用于Java编程语言源代码“.class”文件反编译软件。您可以使用JD-GUI浏览和重建源代码的即时访问方法和字段，以代码高度方式来显示反编译过来的代码。(JD-GUI is a decompiling software for Java programming language source code ". class" file. You can use JD-GUI to browse and rebuild instant access methods and fields of source code to display decompiled code in code height.)

说明：  java2实用教程（第3版例子代码）.doc java2实用教程（第3版例子代码）.doc(Java2 Practical Guide (3rd edition example code). docjava2 Practical Guide (3rd edition example code). doc)

一个用JAVA编写的连接SQLite数据库的教务管理系统，能实现学生成绩录入和统计。(JAVA prepared a SQLite connectivity educational management system, to achieve entry and student achievement statistics.)

可以在web开发中用es集群缓存数据，替代数据库，提高效率(You can use elasticsearch)

关于SOCKET的单用户，以及多用户多线程问题，java，是老师给的范例(About SOCKET single-user, as well as multi-user multi-threaded issues, java, is a teacher gave an example of)

说明：  一个用java编写的词法分析器！其主要运用和来源是编译原理词法分析器的课程设计！(Using java prepared a lexical analyzer! Its main source of application and compiling principle of curriculum design lexical analyzer!)

说明：  关于操作系统生产者与消费者的源码,没有解压密码.(operating system on producers and consumers of the source, without extracting passwords.)