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.

Learn how to transform Joda-Time DateTime objects into standard Java Date ones and vice versa.

Explore the differences between Future and Promise, and learn about their key characteristics, use cases, and distinctive features.

Explore several methods to convert from Integer to BigDecimal in Java.

Explore the compilation error "Non-static method cannot be referenced from a static context," delving into its causes and examining various resolutions to address and fix this issue.

Learn how to replace non-printable unicode characters in Java.

Learn how to convert null value to a default value in Java.

Learn how to remove the last node in a LinkedList in Java.

Learn how to map one enum to another with MapStruct.

Learn how to auto-generate the toString() method using Lombok annotations and the various configuration options available to further fine-tune the resulting output.