Java珍藏-阿里云

一篇文章全面了解Java反射机制【珍藏】

Java的反射机制在实践中可谓无处不在，如果你已经工作几年，还对Java的反射机制一知半解，那么这篇文章绝对值得得你读一读。什么是反射反射 (Reflection) 是Java的特征之一，它允许运行中的Java程序获取自身的信息，并且可以操作类或对象的内部属性。通俗的来讲就是：通过反射机制，可以在运...

10月31日云栖精选夜读 | Java性能优化的50个细节（珍藏版）

在JAVA程序中，性能问题的大部分原因并不在于JAVA语言，而是程序本身。养成良好的编码习惯非常重要，能够显著地提升程序性能。 1. 尽量在合适的场合使用单例使用单例可以减轻加载的负担，缩短加载的时间，提高加载的效率，但并不是所有地方都适用于单例，简单来说，单例主要适用于以下三个方面：第一，控制...

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【云周刊】第141期：阿里正式发布《Java开发手册》终极版！绝对珍藏！

本期头条阿里正式发布《Java开发手册》终极版！绝对珍藏！《阿里巴巴Java开发手册》系统性地从编程、数据库、异常日志、工程结构、安全、单元测试六大方面，总结出优秀Java开发者必备的技术素养。时值手册发布一周年之际，阿里官方对外正式公开《阿里巴巴Java开发手册》终！极...

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