Learn how to use MapUtils to perform common Map operations.

Learn about the new Java 11 feature of single-file source-code programs

A quick and practical overview of the Visitor design pattern in Java.

Learn how to calculate the difference between dates in Java, using native approach, as well as external libraries.

Learn how to retrieve the intersection of two Lists.

Learn about the Math class that provides helpful static methods for performing numeric operations.

Explore the functionality offered by Apache Commons and Google Guava, specifically in the area of the collections framework.

Interested to learn about Hoverfly? Check our article explaining how you can do Testing with Hoverfly and Java.

In this post, I will demonstrate how to create a simple web service using Spring Boot.  This framework makes it almost effortless to develop web

Java exceptions are considered expensive and shouldn't be used for flow control. This tutorial will prove that this perception is correct.

A set of popular Java8-related interview questions and of course answers.

Explore how to implement the HTTP protocol, particularly an HTTP server using Netty.

A quick example and explanation of the getBytes API of the standard String class in Java.

Learn how to use the 0xff value with the bitwise AND operator in Java.

Take a closer look at Java's AbstractMethodError and understand what it is and when it may happen

There are occasion when it is more convenient to create an array inline. Here are several way to declare and initialise primitive arrays and

On the previous blog we focused on spinning up our first Akka project. Now it’s time to add a test for our codebase. First thing to get started is adding

Version controlling your RAML RESTful API specifications allows you to continue maintaining previous version of your APIs. The API designer from MuleSoft

Allow an object to alter its behavior when its internal state changes. The object will appear to change its class. Participants Context: defines the

Without violating encapsulation, capture and externalize an object's internal state so that the object can be restored to this state later. Participants