Learn different ways to remove an entry from a Java HashMap.

This article is a deep dive into pattern matching for switch statements, a preview feature in Java 17.

Explore different approaches to convert a byte array to a numeric value and vice versa in Java.

Learn how to map our data between differently structured objects using ModelMapper by creating custom class-to-class mappings with property mappers.

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This article explains what Unicode text normalization is, how to remove accents and diacritical marks in text, and the pitfalls to watch out for.

A quick and in-depth tutorial to Optional API in java 8. Exploring various types of examples to understand the right usage. 1. Overview In this tutorial,

Explore the differences between Oracle Java Development Kit and OpenJDK.

A quick and practical overview of the Kotlin Collections API.

Interested to learn about thread dumps? Check our article talking about thread dump a snapshot of all the threads running in a java process.

Continuing the Resilience4j journey, this article on Spring Boot TimeLimiter shows when and how to use it to build resilient applications.

Learn how to set up a Dropwizard application with Maven.

Learn how to use the Open Liberty framework to create and consume a RESTful web service

Explore a complete guidebook for a tiny Java 8+ MVC framework called Blade.

Learn about what causes the java.lang.OutOfMemoryError: unable to create new native thread error.

Serialization filters, cold starts in JVM, faster charset encoding, simple web server, JDBC caching, and specialized kube-proxies!

Learn how to get the character at a given position of a String in Java.

Learn how to use the keySet(), entrySet() and values() methods of the Map interface in Java.

Learn how to use Java's super keyword to reference the parent class.