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java程序实现基本粒子群算法，本程序适应于演化算法的初学者，简单易懂，清晰明了。(Java program to achieve the particle swarm algorithm。This procedure to adapt to evolutionary algorithms for beginners)

修改实验7中定义的Rectangle类，使之拥有两个构造方法。其中一个是默认的，它使两点的坐标都为（0，0） 另一个带有4个参数，求出左上角和右下角点坐标为（2.1，3.2）、（5.2，6.3）的矩形的周长及面积，再利用带参数的构造方法创建Rectangle对象，求出左上角和右下角点坐标为（1，2）、（6.8，10.5）的矩形的周长及面积.(Modify the definition of experiment 7 Rectangle class, so that it has two constructors. One is the default, it makes two points of the coordinate of (0,0) the other with four parameters, find the upper left and lower right corner coordinates (2.1,3.2), (5.2,6.3) and perimeter and area of ​ ​ a rectangle, and then use a parameterized constructor method to create a Rectangle object, find the upper left and lower right corner coordinates (1,2), (6.8,10.5) rectangle of perimeter and area.)

Virus scanner, which scans the virus of your system, developed using java

java的一个ssm框架快速学习oop，di，aop等spring框架思想的demo(A SSM framework of Java to quickly learn the demo of spring framework ideas such as oop, di, AOP)

Redis设计与实现.pdf

nemesis forum -- JSP(nemesis forum- JSP)

Legacy Conversions Source Code for Andriod.

java GUI界面设计 石英钟控件在窗体中的显示(Quartz control in the form)

用java JSP实现的一个小型网站，界面简洁，功能齐全，适合入门的初学者(With java JSP to achieve a small site, simple interface, complete functions, suitable for beginners to get started)

一个java开发的定时器操作的小例子,欢迎大家使用(A small example of Java development timer operation, to welcome you all to use)