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1。文件和目录管理,对java.io.file类编程,采用煤炭。
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
- 2022-05-05 14:18:17下载
- 积分:1
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一个册子
一个册子-A booklet
- 2022-02-16 03:28:05下载
- 积分:1
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Forum system, registration, posting, posting a more complete functionality, you...
论坛系统,注册,发帖,帖子功能较齐全,可以添加表情、使用HTML代码、改变字体大小、字样、颜色、加粗、倾斜、下划线,可选择文本对其格式,可加入超链接,还可上传附件下载附件。-Forum system, registration, posting, posting a more complete functionality, you can add facial expressions, the use of HTML code, change the font size, words, colors, bold, tilt, underscore the option of text on their format, can be added to the hyperlink, can also download the attachment to annex upload.
- 2022-01-23 11:24:22下载
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RadioButton
RadioButton
- 2022-05-27 17:50:25下载
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采用java技术开发的日历控件,方便开发人员使用该控件,简化日期的操作。...
采用java技术开发的日历控件,方便开发人员使用该控件,简化日期的操作。-Technology development using java calendar control, facilitate the development of staff to use the controls to simplify the date of operation.
- 2022-02-07 19:35:11下载
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JAVA数字图像处理,对图像进行平尖锐化处理
JAVA数字图像处理,对图像进行平尖锐化处理-JAVA digital image processing, image-ping acute treatment
- 2022-12-08 06:55:03下载
- 积分:1
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ahp used to achieve the core and related documents
ahp中用java实现的核心部分及相关文档-ahp used to achieve the core and related documents
- 2022-03-12 02:15:34下载
- 积分:1
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用java语言实现倒计时功能,希望能给初学者提供帮助
用java语言实现倒计时功能,希望能给初学者提供帮助-Using java language countdown function, hope that I can provide help for beginners
- 2023-05-26 15:15:03下载
- 积分:1
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带有过滤功能的邮件客户端的实现的java简单实现
带有过滤功能的邮件客户端的实现的java简单实现-with filtering mail client on the realization of the simple realization of java
- 2022-08-14 17:26:59下载
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递归算法求一个有向图的强连通分量,输入格式如压缩包中data4.txt,第一行为顶点个数。输出到result.txt中。...
递归算法求一个有向图的强连通分量,输入格式如压缩包中data4.txt,第一行为顶点个数。输出到result.txt中。-recursive algorithm for a directed graph strongly connected component, the input format such as compression package data4.txt. the first acts of the number of vertices. Result.txt exported to China.
- 2022-02-03 23:01:37下载
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