<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[w54679644的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/w54679644</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; w54679644]]></copyright><item><title><![CDATA[Java-解决oom]]></title><link>https://blog.youkuaiyun.com/w54679644/article/details/154991405</link><guid>https://blog.youkuaiyun.com/w54679644/article/details/154991405</guid><author>w54679644</author><pubDate>Tue, 18 Nov 2025 15:53:29 +0800</pubDate><description><![CDATA[这样oom时会导出dump文件（定位到具体代码位置），没提前设置就没招。但是会记录很多东西占用磁盘。挂了后，配置：​​​。]]></description><category></category></item><item><title><![CDATA[Java开发技巧：String]]></title><link>https://blog.youkuaiyun.com/w54679644/article/details/154742007</link><guid>https://blog.youkuaiyun.com/w54679644/article/details/154742007</guid><author>w54679644</author><pubDate>Wed, 12 Nov 2025 15:59:05 +0800</pubDate><description><![CDATA[字符串开发重点在“安全（空值与比较）、可读（格式化与连接）、高效（避免循环拼接）、健壮（切割与正则）”。结合当前项目中的 URL、文件名与数值字符串处理，建议统一封装常见操作（分割清洗、数值解析、日志截断），在服务层保持字符串逻辑集中与可复用。后续可继续补充“集合/数组、反射、时间日期”的专题文档，保持相同风格与项目实战对照。如果你希望我把上述重构直接应用到具体方法，我可以逐段替换并回归验证。]]></description><category></category></item><item><title><![CDATA[int[] 转 string[]（数组stream）]]></title><link>https://blog.youkuaiyun.com/w54679644/article/details/154476616</link><guid>https://blog.youkuaiyun.com/w54679644/article/details/154476616</guid><author>w54679644</author><pubDate>Mon, 10 Nov 2025 09:14:55 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[List＜String＞数字如{“3“,“4“,“5“}求平均值，并四舍五入保留两位小数]]></title><link>https://blog.youkuaiyun.com/w54679644/article/details/149932774</link><guid>https://blog.youkuaiyun.com/w54679644/article/details/149932774</guid><author>w54679644</author><pubDate>Tue, 05 Aug 2025 11:33:36 +0800</pubDate><description><![CDATA[averageOpt.getAsDouble()  //得到double类型。//将double类型四舍五入保留两位小数。)  //筛纯数字的字符串。]]></description><category></category></item></channel></rss>