How to convert a Reader into a byte[] using plain Java, Guava or the Apache Commons IO library.

Learn Java from scratch and become Software Engineer.

A quick and practical set of examples for using the core Scanner Class in Java - to work with Strings, Files and user input.

Learn about the difference between the two regular expressions through examples

Releasing often is a major pain when the release process is not automated. This article is a guide to a fully automated release chain that is able to publish snapshots and releases from a Github repository using Gradle, Bintray and Travis CI.

Hiring a Java Dev with Spring Security experience to join the Baeldung team.

A quick and practical introduction to distributed performance testing with Gatling.

In this article, we'll see the significance of the load factor in Java's HashMap and how it affects the map's performance.

Learn the ins and outs of working with unsigned integers in Java 8 and later.

A guide to the decorator design pattern and its Java implementation

Learn how to convert arrays to strings and back again in Java

Explore many ways of converting a String into a double in Java.

A quick example and explanation of the substring() API of the standard String class in Java.

Validation in Spring Boot applications can be done in many different ways. Depending on your requirements some ways might fit better to your application

Previously we used the XML and Xpath Hoverfly matchers. On this blog we shall focus on rules that assist us with the data exchanged using Json. The

An in-depth look at SPF4J, using some interesting, practical scenarios.

A quick overview of several Java image-processing libraries, including a simple example done in all of them

A guide to configuring Logback to use a human-readable logging format.