Java annotations were designed for metadata. Spring uses them for dependency injection. Lombok uses them for code generation. JPA uses them for ORM mapping. We use them to write entire programs. This ...

Each JVM thread (a path of execution) is associated with a stack that’s created when the thread is created. This data structure is divided into frames, which are data structures associated with method ...

This library limits itself to config files. If you want to load config from a database or something, you would need to write some custom code. The library has nice support for merging configurations ...

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A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

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 ...

I once attended a Java user group meeting where James Gosling (Java’s inventor) was the featured speaker. During the memorable Q&A session, someone asked him: “If you could do Java over again, what ...