Learn how to concatenate two arrays in Java using the standard Java API and commonly used libraries

A quick and practical guide to the Bag collection from Apache Commons.

Backward compatibility and Javac, Micronaut hipster, faster Graal, life after SecurityManager, API gateway in K8S, and Bitcoin's energy problem!

Explore the concept of Java interfaces and learn how Java uses them to implement polymorphism and multiple inheritance.

Interested to learn about Read A File? Check our article explaining how to read the file in older java and new JDK 8 version.

Quick guide to how to two ways of running a shell command in Java, both on Windows as well as on UNIX.

Learn how to securely hash passwords in Java and why MD5 is so insecure.

Explore how to map collections using MapStruct.

Learn how to convert certificates and private keys from a Java KeyStore into PEM format using keytool and openssl.

Interested to learn about Collectors.groupingBy()? Check our article explaining how to group by multiple fields using Streams.

A guide to java.util.concurrent.CountDownLatch with concrete examples

Quick and practical introduction to Reactive Streams in Java 9.

A quick and practical guide to Java NIO2 File API

Interested to learn about Thread Pools? Check our article explaining how to create custom thread pools in Java 8 for bulk data processing

With AWS CDK, we can codify our infrastructure in Java code. In this article, we're going to explore an opinionated way of designing a CDK project to make its components re-usable and easily extensible.

It's always challenging to maintain and extend multilingual applications. This article covers how to use the ResourceBundle to cope with the varieties that come up when you need to provide the same content to different cultures.

Learn about the Big Queue, a Java implementation of a persistent queue.

A quick guide to the double colon operator in Java 8 and how it should be used in practice.

Explore Java's Type Inference, that along with generics and Lambda Expression enables us to write concise Java code.