As of ES2015, new ECMAScript standard library APIs have used a protocol-based design, enabled by the introduction of Symbols. Symbols are ECMAScript values which have identity and may be used as ...

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 ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Almost every app we use or develop has to store data for one purpose or another. It’s not all the same data, either — some apps need access to settings, images, and much more. The big question is how ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. This article presents a defense-in-depth ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

You can read about Android development until you’re blue in the face, but eventually you actually have to build something if you want to get a true grasp on how it all works. In fact, I think this is ...

In order to use Byte Buddy, one does not require an understanding of Java byte code or the class file format. In contrast, Byte Buddy’s API aims for code that is concise and easy to understand for ...

One of the key strengths of JavaServer Faces (JSF) is that not only does it provide substantial technology for easy, out of the box component based J2EE Web applications assembly, but it also is a ...