Spring Boot 2.5 is released, large pages on JVM, hacking JVM, mapMulti for streams, project loom, and a service-oriented language!

Learn the differences between the Collections.emptyList() and a new list instance.

Learn several ways to remove an element from an ArrayList in Java.

Learn the basics of exception handling in Java as well as some best and worst practices.

In this quick tutorial, we'll investigate how can we initialize a List using one-liners.

An intro and guide to the ExecutorService framework provided by the JDK - which simplifies the execution of tasks in asynchronous mode.

Quick and practical examples focused on converting String objects to different data types in Java.

Learn how to configure Maven builds to work within the Eclipse IDE.

Another post about Lightweight Config, a library I’ve recently built from the ground up, after creating various versions of it in previous projects. Where

Learn how to take advantage of sun.misc.Unsafe's interesting methods, which span outside of the usual Java usage

Introduction to Java's PriorityBlockingQueue with usage examples

Learn how to use the @Singular annotation to create convenient builders with Lombok

Interested to learn about LTS release? Check our article explaining thoroughly the massive amount of features delivered in the next release

Explore the differences between JDBC's Statement and PreparedStatement interfaces.

Interested to learn about Streaming Reads? Check our article explaining how to read arrow data from a stream.

Learn all about methods in Java, from basic method syntax to overloading, as well as how to call methods.

Learn how to find all classes in a Java package at runtime.

A quick guide to using SimpleDateFormat in Java.

We can use regular expressions to count occurrences of numbers in a String in Java. We look at finding numbers of various formats, extracting and converting them back into numeric form, as well as counting digits.