Explore subclasses, inner classes, and their role in writing modular object-oriented code.

Explore how to obtain the key and value lists from a HashMap in Java.

Learn how to calculate the sum of two arrays element by element in Java.

JPA associations, event-driven Java, Valhalla under the hood, OpenJDK compatibility, and millions of connections with Zuul!

In the realm of programming, Java stands out as one of the most versatile and widely-used languages. Its adaptability and user-friendly nature make it a

Explore obtaining the indexes of pattern matches within the original input when using a Java regex.

A quick and practical guide to getting a random Set element in Java.

Explore how to extract content between square brackets in a text.

Learn how to determine the Cartesian product of an arbitrary number of sets in Java.

Hiding numerical identifiers in JPA, continuation, Spring Boot file storage, Java 21 migration, and people support strategies!

Learn three different methods to implement the clamp function in Java.

This article summarizes naming conventions for Java interfaces, emphasizing the use of adjectives for capability interfaces and nouns for polymorphic interfaces. It provides a practical example and warns against patterns like IUser and UserImpl for code clarity.…

Learn several ways of convert an integer to a Long in Java.

Learn how to convert from Java's LocalDate to Epoch and vice versa.

Explore multiple programmatic ways to stop the execution of further code in Java programs.

Discuss interesting usages of --> in Java.

Learn about different ways to handle exceptions in Java stream pipelines using aggregation.

Spring AI, no more N+1 problem, statement caching, streams with virtual threads, service mesh, and good by EC2 classic!

Learn when to call System.out.flush() in Java.

Explore how to create a list of objects of a different type based on a given list.