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.

An overview of various core and 3rd party methods for adding days to a date

There are several reporting solutions for Java. In this article, we compare the most popular.

A quick and practical guide to using Java 8 Streams with primitive types.

Representational state transfer (REST) is an architectural style that describes best practices to expose web services over HTTP, emphasizing performance,

It’s perhaps difficult to remember life before smartphones. Today, mobile phones have transformed dramatically to become the information and communication

Spring Boot supports the following embedded servlet containers: Tomcat Jetty Undertow You can use Maven, Gradle, or Ant/Ivy as build tools to generate the

Learn about the root cause of the Maven error 'JAVA_HOME should point to a JDK not a JRE' and how to resolve it

Learn about the differences between three of the most common Java Collections: ArrayList, LinkedList, and HashMap

Learn the key concepts of the Stream.reduce() operation in Java and how to use it to process sequential and parallel streams.

A quick and practical introduction to the TreeSet in Java.

Hit the ground running with Google Cloud Storage with quick examples of how to create a bucket, write, read, and update data.

Learn about the different features OkHttp has for POST requests.

In this tutorial, we'll describe how to avoid InvalidAlgorithmParameterException when we generate the IV and use it in a cipher algorithm.

When we need to write an array of bytes to a file in Java, there are a few options. We can use either the built-in APIs or a few common libraries.

For some analyses, SonarQube needs some exclusions added to avoid false positives. We investigate a few ways to configure it.

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