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 ...

Get started with Java streams, including how to create streams from Java collections, the mechanics of a stream pipeline, examples of functional programming with Java streams, and more. You can think ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Cory Benfield discusses the evolution of ...

We will focus on the relationship between polymorphism and Java inheritance. The main thing to keep in mind is that polymorphism requires an inheritance or an interface implementation. You can see ...

The most significant addition to the Java language since Sun Microsystems rewrote the collections API for Java 5 is the introduction of Java records. Java records address two significant pain points ...

Java is an object-oriented programming language. To create objects and meaningfully initialize them, a developer must use a Java constructor. Constructors are a critical part of software development ...

Learn about serialization in Java with our comprehensive tutorial. We provide examples to help you understand how serialization works and how to use it. Serialization is a fundamental concept in Java ...

*Note* The interface and features of Perusall may change over time without much advance notice. Please check out their ‘Changelog‘ for updates, improvements, and fixes. Adding Annotations, Part I, ...