<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[lg_he的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/lg_he</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; lg_he]]></copyright><item><title><![CDATA[Linux学习笔记：使用ftp命令上传和下载文件]]></title><link>https://blog.youkuaiyun.com/lg_he/article/details/128872413</link><guid>https://blog.youkuaiyun.com/lg_he/article/details/128872413</guid><author>lg_he</author><pubDate>Fri, 03 Feb 2023 17:20:00 +0800</pubDate><description><![CDATA[Linux学习笔记：使用ftp命令上传和下载文件]]></description><category></category></item><item><title><![CDATA[使用ftp服务上传文件时553报错的解决]]></title><link>https://blog.youkuaiyun.com/lg_he/article/details/128867916</link><guid>https://blog.youkuaiyun.com/lg_he/article/details/128867916</guid><author>lg_he</author><pubDate>Fri, 03 Feb 2023 15:26:29 +0800</pubDate><description><![CDATA[使用ftp服务上传文件时553报错的解决]]></description><category></category></item><item><title><![CDATA[java8快速实现List转map 、分组、过滤等操作]]></title><link>https://blog.youkuaiyun.com/lg_he/article/details/114535697</link><guid>https://blog.youkuaiyun.com/lg_he/article/details/114535697</guid><author>lg_he</author><pubDate>Mon, 08 Mar 2021 16:15:00 +0800</pubDate><description><![CDATA[1、分组

List里面的对象元素，以某个属性来分组，例如，以id分组，将id相同的放在一起：



//List 以ID分组 Map&lt;Integer,List&lt;Apple&gt;&gt;

Map&lt;Integer, List&lt;Apple&gt;&gt; groupBy = appleList.stream().collect(Collectors.groupingBy(Apple::getId));



System.err.println("groupBy:"+group...]]></description><category></category></item></channel></rss>