带着这几个问题,栈长在这里整理了大量主流的 Java 系列文章和教程,供你学习、工作、面试复习参考。 大多内容为栈长原创,首发自微信公众号:Java技术栈,这些内容在Java技术栈公众号菜单中都有作分类整理,如果你想在微信上阅读,也可以关注微信公众号 ...
Learn about the best practices for concurrency in Java to ensure your multi-threaded applications are efficient, synchronized, and error-free. Concurrency in Java is the ability of multiple threads to ...
ConcurrentHashMap从JDK1.7到JDK1.8,底层实现发生了翻天覆地的变化。**Segment分段锁被彻底抛弃,改用CAS+synchronized,锁粒度从"段"细化到了"桶"**。这个变化,直接决定了面试的成败。 一、面试场景引入 上周一个朋友去阿里面试,回来跟我吐槽:"面试官问我 ...
我在之前两讲介绍了Java集合框架的典型容器类,它们绝大部分都不是线程安全的,仅有的线程安全实现,比如Vector、Stack,在性能方面也远不尽如人意。幸好Java语言提供了并发包(java.util.concurrent),为高度并发需求提供了更加全面的工具支持。 今天我要问你的 ...
Have you ever wondered how Java seamlessly combines its primitive data types with object-oriented programming? Enter wrapper classes, an important but often overlooked Java feature. These special ...
Working as an AEM Solution Architect, I consider myself as a software craftsman. Learn how to read thread dumps and take control of your application’s runtime behaviour. When your Adobe Experience ...
Today, it’s nearly impossible to build scalable applications without eventually addressing caching. Most development teams have likely experimented with different caching strategies or tools and ...
Iterators in Java typically expect exclusive access to the data structure they loop through. If another thread tries to modify a collection of objects while an ...