An introduction to the Trie data structure in Java.

Learn about the basic concepts of a Reader and how FileReader makes it simple to do read operations on text files though some examples.

Calculate the Size of a Directory with Java 6, 7 and 8 as well as Apache Commons IO and Guava.

A tutorial showing how to use the subversion Revision number in a Gradle build.

Learn the difference between the Final, Finally and Finalize keywords in Java

See examples that illustrate the main causes of the "illegal start of expression" error and how to fix it

Say hello to Java 16: one small step towards value types and a more efficient Metaspace. Also, buildpacks with layered Jars, and becoming an effective team lead!

A comprehensive introduction to light-weight concurrency on JVM.

Explore the newly introduced Logging API in Java 9 along with examples that cover the most common cases.

Learn how Activiti's two apps, activiti-app and activiti-rest, can help you manage your processes more easily

Have a look at how to use the generated Lombok Builder with a custom setter.

A quick article with many examples of joining and splitting arrays and collections using Java Stream API.

Interested to learn about Data JPA? Check our article presenting a beginners guide for Spring Boot Data JPA.

A guide to the Proxy design pattern and its Java implementation

Explore various ways to search for a substring in a String with performance benchmarks

If you are seasoned Java developer who practices test-driven development (hopefully, everyone does it), it is very likely JUnit 4 has been your

Helping You Find Your Way with Geocode's API The Company Behind Geocodeapi SaaS Industries back Geocodeapi. SaaS Industries is an Austrian tech company

1. Introduction Over the last couple of years we have witnessed the astonishing pace and scale of the innovations in the JVM ecosystem. Not only the new

ThreadLocal in Java is another way to achieve thread-safety apart from writing immutable classes. If you have been writing multi-threaded or concurrent