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粒子群算法源码，java,c,vb,粒子群优化PSO程序包(Java,C,VB) -PSO source, java, c, vb, PSO PSO Pack (Java, C, VB)

1．文件和目录管理，使用java.io.File类编程，完成如下功能： （1）输入文件名称 （2）判断该文件名称是否存在 （3）若文件存在，判断是文件还是目录 （4）若是文件则输出文件的各种属性 （5）若是目录则输出其中包含的所有文件的名称 2．二进制文件的读写操作，用InputStream和OutputStream及其子类，设计并实现一个可以完成文件复制操作的程序。 3．文本文件的读写操作，编写一个文本文件分析程序，读入一个英文文本文件，统计其中单词、数字、标点符号等元素出现的次数，并记录单词总数。提示：对文件的分析可以使用StreamTokenizer类。 4．异常处理程序的编写，在上述三个程序中应用异常处理方法增加程序的错误处理能力。-1. File and directory management, the use of java.io.File class programming to complete the following functions : (a) input file name (2) to determine that the names of the existence of documents (3) If the file exists, or judgment is that the paper catalog (4) If the paper is output files the various attributes (5) If the directories containing the output of all documents name two. Binary file reading or writing, using InputStream and OutputStream and its sub-class design and realization of a complete copy of the operating procedures. 3. The text files and write, to prepare a text file analysis program, read an English text files, statistics words, numbers, punctuat

Java编写的计算器程序及源代码 很好用的 ，-Java calculator prepared procedures and source code used in a very good,

优秀的打印控件全源代码,类似水晶表的设计器!-outstanding Print control all source code, similar to the design table crystal device!

金融中的计算，一个算法的实现，具体叫什么我也不清楚，帮朋友做的-the financial terms, the algorithm to achieve a specific, what is not clear to me, do for a friend

一个简单的图书管管理系统~是用java语言编写的，数据库的一个小作业-A simple library management system ~ is java languages, databases, a small operation

java 语言编程实现背景颜色自己选。Java编程源代码-java language programming realization of the background color of his own choosing. Java programming source code

使用java弄的,实现铁路售票的各种功能,供大家学习使用-Make use of java, and realize the various functions of the railway ticket for everyone learning to use

用Java实现对数据库的连接和操作，一个小的学生成绩管理的程序-With the Java implementation of the database connection and operation of a small student achievement management program

spring2.0中文开发参考手册 chm格式 对spring讲解的十分细致。比较全面-Chinese spring2.0 development chm format reference manual on the very delicate spring. More comprehensive