<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[weallikdaytime的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/weallikdaytime</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; weallikdaytime]]></copyright><item><title><![CDATA[java使用POI填充PPT模版预留字段，填充文本框及图片]]></title><link>https://blog.youkuaiyun.com/weallikdaytime/article/details/146159373</link><guid>https://blog.youkuaiyun.com/weallikdaytime/article/details/146159373</guid><author>weallikdaytime</author><pubDate>Mon, 10 Mar 2025 17:25:39 +0800</pubDate><description><![CDATA[java填充PPT模版]]></description><category></category></item><item><title><![CDATA[jfreechart生成直方图，横坐标轴可旋转90°，带美化]]></title><link>https://blog.youkuaiyun.com/weallikdaytime/article/details/145724049</link><guid>https://blog.youkuaiyun.com/weallikdaytime/article/details/145724049</guid><author>weallikdaytime</author><pubDate>Wed, 19 Feb 2025 10:57:20 +0800</pubDate><description><![CDATA[使用jfreechar生成直方图，横坐标标签可90°翻转]]></description><category></category></item><item><title><![CDATA[多线程学习]]></title><link>https://blog.youkuaiyun.com/weallikdaytime/article/details/130225275</link><guid>https://blog.youkuaiyun.com/weallikdaytime/article/details/130225275</guid><author>weallikdaytime</author><pubDate>Fri, 21 Apr 2023 11:04:42 +0800</pubDate><description><![CDATA[线程创建方式]]></description><category></category></item><item><title><![CDATA[java集合基础知识]]></title><link>https://blog.youkuaiyun.com/weallikdaytime/article/details/125593812</link><guid>https://blog.youkuaiyun.com/weallikdaytime/article/details/125593812</guid><author>weallikdaytime</author><pubDate>Mon, 04 Jul 2022 09:47:22 +0800</pubDate><description><![CDATA[Vector]]></description><category></category></item><item><title><![CDATA[java集合基础知识]]></title><link>https://blog.youkuaiyun.com/weallikdaytime/article/details/125593152</link><guid>https://blog.youkuaiyun.com/weallikdaytime/article/details/125593152</guid><author>weallikdaytime</author><pubDate>Mon, 04 Jul 2022 09:34:12 +0800</pubDate><description><![CDATA[java集合ArrayList




优点
支持高效率并发且是线程安全的。
对其进行的修改操作都是在底层的一个复制数组（快照）上进行的，也就是使用了写时复制策略。合适读多写少的场景。
此做法主要的优点是如果调用者没有修改资源，就不会有副本被创建，因此多个调用者只是读取操作时可以共享同一份资源。...]]></description><category></category></item></channel></rss>