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《阿里巴巴Java开发手册》条例解读（一）

《阿里Java开发规范》应该是众多程序猿多年来，在使用Java的过程中，根据踩过的雷趟过的坑，总结出来的“血的教训”或“踩坑手册”。但就像《葵花宝典》，即便是读过一百遍也成功自宫，也不见得能马上能成为武林高手，因为没练过。搞软件工程就像练武功需要实操，没有实战经验很难成为高手。评判是不是高手的标准是...

为什么阿里巴巴Java开发手册中强制要求整型包装类对象值用 equals 方法比较？

在阅读《阿里巴巴Java开发手册》时，发现有一条关于整型包装类对象之间值比较的规约，具体内容如下：这条建议非常值得大家关注，而且该问题在 Java 面试中十分常见。还需要思考以下几个问题：如果不看《阿里巴巴Java开发手册》，如何知道 Integer var = ? 会缓存 -128 到 1...

为什么阿里巴巴Java开发手册中不建议在循环体中使用+进行字符串拼接？

之前在阅读《阿里巴巴Java开发手册》时，发现有一条是关于循环体中字符串拼接的建议，具体内容如下：那么我们首先来用例子来看看在循环体中用 + 或者用 StringBuilder 进行字符串拼接的效率如何吧（JDK版本为 jdk1.8.0_201）。 public class StringConca...

阿里巴巴《Java开发手册》限时免费下载！

《Java开发手册》是阿里巴巴集团技术团队的集体智慧结晶和经验总结，经历了多次大规模一线实战的检验及不断完善，公开到业界后，众多社区开发者踊跃参与，共同打磨完善，系统化地整理成册。现代软件行业的高速发展对开发者的综合素质要求越来越高，因为不仅是编程知识点，其它维度的知识点也会影响到软件的最终交付质量...

你不知道的《阿里巴巴Java开发手册》背后故事

导读：2月9日，也是《阿里巴巴Java开发手册》（下称《手册》）对外正式发布一周年的日子。在过去的300多个日子里，这本小小的手册在业界产生了巨大的影响力。值此一周年之际，我们不妨一道围炉煮酒，倾听《手册》的主要推动者——孤尽首次讲述规约背后的故事。 Q：为什么当初会想去做这样一本手册，初心是什么呢...

阿里巴巴Java开发手册———个人追加的见解和补充（一）

先上干货，《阿里巴巴Java开发手册》的下载地址https://yq.aliyun.com/articles/69327下面分几个部分对这个手册进行说明，都是个人的见解，本人技术一般，如果有错误或者不妥，请评论指出，虚心接受，提前感谢了。建议边看手册，边食用以下说明，效果比较好。前言首先当我第一...

《阿里巴巴 Java开发手册》读后感

前言只有光头才能变强前一阵子一直在学Redis，结果在黄金段位被虐了，暂时升不了段位了，每天都拿不到首胜(好烦)。趁着学校校运会，合理地给自己放了一个小长假，然后就回家了。回到家才发现当时618买了一堆书，这堆书还有没撕包装的呢....于是我翻出了最薄的一本《阿里巴巴 Java开发手册》这本...

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