Quick intro to working with arrays with the Apache Commons library and ArrayUtils.

Inverting logical expressions can make your code clearer, and is an important part of using Java. Here are some tricks to master and pitfalls to avoid.

Learn how to configure Logback for sending out an email notification for any application errors

A deep dive into the Resilience4j ratelimiter module. This article shows why, when and how to use it to build resilient applications.

Learn different ways to do base64 encoding and decoding functionality in java and using java 8 api, and also examples using the apache commons-codec. 1.

Learn how to find an exception's root cause in Java.

Learn how to print a binary tree diagram.

Learn about Java's Two Pointer Technique with practical examples.

Learn about helpful NullPointerExceptions in Java 14.

Knowing the difference between a POJO and a JavaBean may be the key to unlocking the potential of our classes in core Java.

Learn how to leverage Java 9 Modules while defining explicit boundaries for bounded contexts while creating a simple store application

AWS DynamoDB is described as a NoSQL key-value and a document database. In my work I mostly use the key-value behavior of the database but rarely use the

This is the third part of the article series: Processing real-time data with Storm, Kafka, and ElasticSearch. 1. Introduction In the second part, we

Jakarta EE 9 is out, and with it the namespace change from javax.* to jakarta.*. When we talk about the namespace change, we mostly talk about changing

Learn different ways to get the size of an Iterable in Java

Quick and practical examples of new methods in Optional API in Java.

Have a look at Java's Externalizable interface for custom serialization and deserialization.

Explore the basic concepts of the CQRS and Event Sourcing design patterns.