Learn what causes Java to throw an ExceptionInInitializerError using a few practical examples

Learn about the graph data structure and how to implement it in Java

Learn about Vavr's validation API and how to use its most relevant methods.

Interested to learn about Java Decompilers? Check our article presenting the 13 Best Java Decompilers for Download and Online Use.

Learn how to integrate the Jess rule engine into a Java application and how to use Jess with JSR 94, the Java Rule Engine API.

Interested to learn about logged-in user info? Check our article presenting the simplest way to get logged-in user info in Jakarta EE.

One place to get information about all the major Java features.

Find out how to use the Java NIO FileChannel APIs to read and write files more efficiently.

Explore Concurrency in Java.

Learn how to build validations for enums using Java custom annotations.

Explore the performance of traditional JDK collections with Eclipse Collections.

Learn how to compare dates in Java.

A quick and practical guide to converting strings to enums in Java.

Learn about the scopes in which Java variables are valid

Learn how to create checksums in Java

Interested to learn about IntStream? Check our article presenting a quick guide on how to convert IntStream to List in java 8.

Interested to learn about IntStream to Array? Check our article presenting a quick guide on how to convert IntSteam to Array in java 8.

Interested to learn about XML Streaming? Check our article presenting the KivaKit XML Streaming.

Interested to learn about IntStream to String? Check our article presenting a quick guide to convert IntStream to String in java 8 streams.

Interested to learn about Content negotiation? Check our article explaining Content negotiation the mechanism used by clients and servers to decide which representation should be used.