Learn how to quickly check if List contains at least one enum value

Learn how to add multiline text to a cell using Apache POI.

A quick and practical guide to PDF conversions in Java

Explore JVM OutOfMemoryError, which indicates a problem external to our application, like other errors.

Learn how to manage business rules with Drools, using a simple Excel file.

Learn how to replace a pattern in various locations of a Word document.

In this article we present you with a curated list of the Top Java Frameworks to empower your development teams

Learn how to inser a new row between two rows in an Excel file using the Apache POI library

Explore the dynamic landscape of parallel processing in Java Applications with insightful examples and strategies to optimize performance!

Feign is an open-source Java library that simplifies the process of making web requests. It streamlines the implementation of RESTful web services by providing a higher-level abstraction.

Don't Use Checked Exceptions.

Parameterized Tests with JUnit 5.

Complete Guide to JUnit 5.

Enforcing Your Architecture with ArchUnit.

Putting your code behind a feature flag means that you can deploy unfinished changes. As long as the feature flag is disabled, the changes are not having an effect.

Explore diverse methods in Java for reading characters, covering interactive console input using BufferedReader, file-based character reading with FileReader, and tokenized input handling via Scanner.

A quick and practical guide to using MapStruct

A comprehensive and very practical introduction to many useful usecases of Project Lombok on standard Java code.

Learn how the generational garbage collector works.

Learn about Java 8 Stream operations on an empty List and understand the elegance and robustness of the Stream API.

Learn how to convert Integer to BigDecimal in Java.