A quick and practical guide to constructing complex nested mappers with MapStruct.

Explore strategies for parsing multiple date formats at once.

Learn how to convert an integer value to hexadecimal in Java.

Explore the advantages of reusing a StringBuilder and explore a concrete example of how to do it.

Learn about Elasticsearch shards and replicas.

Explore Java Modularity and learn how it affected the testing in Java applications.

Java has a built in UUID generator. We compare this to some other solutions which can be more secure or performant.

Another preview of Foreign Functions, Jakarta REST, Scala 3 annotations, Postgres power features, and Scalable Slack!

Understand the differences between the th:text and th:value Thymeleaf attributes.

Learn how to use the Spoon library to analyze and modify Java source code.

A quick and practical guide to URL manipulation in Java.

Learn the differences between Integer.parseInt(Scanner.nextLine()) and Scanner.nextInt() through examples.

Learn how to parse an OpenAPI document file in Java and extract its various components.

Explore the differences between using the JAVA_HOME and PATH environment variables.

Learn three approaches to finding the most frequent characters in a string, with examples.

Explore different NLP libraries in Java and see how to implement some NLP tasks using Apache OpenNLP and Stanford CoreNLP.

Learn two variations on the problem of extracting text that follows after a regex match and how to do it using Java.

This article introduces the @StandardException annotation in Java's Lombok library that generates constructors for exception classes, avoiding writing duplicate code.

Previously we checked on ReentRantLock and its fairness. One of the things we can stumble upon is the creation of a Condition. By using Condition we can

Learn how to use JMXTerm to perform external debugging on a Java application.