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‎.gitignore

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# Project exclude paths
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/out/

‎.idea/.gitignore

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‎.idea/compiler.xml

+8
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‎.idea/inspectionProfiles/Project_Default.xml

+36
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‎.idea/misc.xml

+6
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‎.idea/modules.xml

+8
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‎.idea/uiDesigner.xml

+124
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‎JavaLearn.iml

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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="module-library" exported="">
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<library>
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<CLASSES>
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<root url="jar://H:/Edge下载/commons-io-2.6/commons-io-2.6.jar!/" />
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</CLASSES>
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<JAVADOC />
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<SOURCES />
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</library>
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</orderEntry>
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<orderEntry type="module-library" exported="">
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<library>
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<CLASSES />
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<JAVADOC />
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<SOURCES>
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<root url="jar://H:/Edge下载/commons-io-2.6/commons-io-2.6-sources.jar!/" />
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</SOURCES>
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</library>
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</orderEntry>
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<orderEntry type="module-library" exported="">
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<library>
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<CLASSES>
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<root url="file://H:/Edge下载/quartz-2.4.0-SNAPSHOT/lib" />
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</CLASSES>
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<JAVADOC />
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<SOURCES />
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<jarDirectory url="file://H:/Edge下载/quartz-2.4.0-SNAPSHOT/lib" recursive="false" />
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</library>
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</orderEntry>
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</component>
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</module>

‎abc.txt

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Hooray! It's snowing! It's time to make a snowman.James runs out.
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He makes a big pile of snow. He puts a big snowball on top. He adds a scarf and a hat.
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He adds an orange for the nose. He adds coal for the eyes and buttons.In the evening,
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James opens the door. What does he see? The snowman is moving! James invites him in.
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The snowman has never been inside a house. He says hello to the cat. He plays with paper towels.
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A moment later, the snowman takes James's hand and goes out.They go up, up, up into the air!
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They are flying! What a wonderful night!The next morning, James jumps out of bed.
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He runs to the door.He wants to thank the snowman. But he's gone

‎baidu.html

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<!DOCTYPE html>
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<!--STATUS OK--><html> <head><meta http-equiv=content-type content=text/html;charset=utf-8><meta http-equiv=X-UA-Compatible content=IE=Edge><meta content=always name=referrer><link rel=stylesheet type=text/css href=https://ss1.bdstatic.com/5eN1bjq8AAUYm2zgoY3K/r/www/cache/bdorz/baidu.min.css><title>百度一下，你就知道</title></head> <body link=#0000cc> <div id=wrapper> <div id=head> <div class=head_wrapper> <div class=s_form> <div class=s_form_wrapper> <div id=lg> <img hidefocus=true src=//www.baidu.com/img/bd_logo1.png width=270 height=129> </div> <form id=form name=f action=//www.baidu.com/s class=fm> <input type=hidden name=bdorz_come value=1> <input type=hidden name=ie value=utf-8> <input type=hidden name=f value=8> <input type=hidden name=rsv_bp value=1> <input type=hidden name=rsv_idx value=1> <input type=hidden name=tn value=baidu><span class="bg s_ipt_wr"><input id=kw name=wd class=s_ipt value maxlength=255 autocomplete=off autofocus=autofocus></span><span class="bg s_btn_wr"><input type=submit id=su value=百度一下 class="bg s_btn" autofocus></span> </form> </div> </div> <div id=u1> <a href=http://news.baidu.com name=tj_trnews class=mnav>新闻</a> <a href=https://www.hao123.com name=tj_trhao123 class=mnav>hao123</a> <a href=http://map.baidu.com name=tj_trmap class=mnav>地图</a> <a href=http://v.baidu.com name=tj_trvideo class=mnav>视频</a> <a href=http://tieba.baidu.com name=tj_trtieba class=mnav>贴吧</a> <noscript> <a href=http://www.baidu.com/bdorz/login.gif?login&amp;tpl=mn&amp;u=http%3A%2F%2Fwww.baidu.com%2f%3fbdorz_come%3d1 name=tj_login class=lb>登录</a> </noscript> <script>document.write('<a href="http://www.baidu.com/bdorz/login.gif?login&tpl=mn&u='+ encodeURIComponent(window.location.href+ (window.location.search === "" ? "?" : "&")+ "bdorz_come=1")+ '" name="tj_login" class="lb">登录</a>');
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</script> <a href=//www.baidu.com/more/ name=tj_briicon class=bri style="display: block;">更多产品</a> </div> </div> </div> <div id=ftCon> <div id=ftConw> <p id=lh> <a href=http://home.baidu.com>关于百度</a> <a href=http://ir.baidu.com>About Baidu</a> </p> <p id=cp>&copy;2017&nbsp;Baidu&nbsp;<a href=http://www.baidu.com/duty/>使用百度前必读</a>&nbsp; <a href=http://jianyi.baidu.com/ class=cp-feedback>意见反馈</a>&nbsp;京ICP证030173号&nbsp; <img src=//www.baidu.com/img/gs.gif> </p> </div> </div> </div> </body> </html>

‎data.txt

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‎dst.txt

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this is my output words have a see

‎src/cn/com/coderZoe/IO/Class10FileStreamAndByteArrayStream.java

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package cn.com.coderZoe.IO;
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import java.io.*;
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import java.util.Arrays;
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/**
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* @author yhs
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* @date 2020/4/2 15:06
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* @description
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*/
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public class Class10FileStreamAndByteArrayStream {
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/*
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* 流对接 之前都是单一流的处理 比如文件流读 文件流写 字节流读 字节流写
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* 现在的任务是 读取文件数据 转化为字节数组流输出 读取字节数组流转化为文件流输出
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*/
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public static void main(String[] args) {
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//将文件流转为字节数组流
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File file = new File("西电.jpeg");
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byte src[] = null;
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FileInputStream fileInputStream = null;
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try {
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fileInputStream = new FileInputStream(file);
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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byte[] buff = new byte[1024];
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int len = -1;
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while((len=fileInputStream.read(buff))!=-1){
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byteArrayOutputStream.write(buff,0,len);
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}
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byteArrayOutputStream.flush();
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src = byteArrayOutputStream.toByteArray();
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//输出字节数组
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System.out.println(Arrays.toString(src));
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}catch (IOException e){
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e.printStackTrace();
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}finally {
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try {
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if(fileInputStream!=null){
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fileInputStream.close();
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}
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}catch (IOException e){
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e.printStackTrace();
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}
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}
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//将字节数组转化为文件
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FileOutputStream fileOutputStream = null;
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ByteArrayInputStream byteArrayInputStream = null;
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File targetFile = new File("targetPicture.jpeg");
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try {
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//将src作为数据源
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byteArrayInputStream = new ByteArrayInputStream(src);
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fileOutputStream = new FileOutputStream(targetFile);
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byte[] buff = new byte[1024];
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int len = -1;
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while((len=byteArrayInputStream.read(buff))!=-1){
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fileOutputStream.write(buff,0,len);
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}
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fileOutputStream.flush();
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}catch (IOException e){
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e.printStackTrace();
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}finally {
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if(fileOutputStream != null){
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try {
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fileOutputStream.close();
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}catch (IOException e){
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e.printStackTrace();
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}
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}
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}
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}
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}

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