Learn how to extend Enums in Java.

Learn about the transient keyword and see its behavior through examples

A quick and practical guide to Java NIO2 Asynchronous FileChannel API

A quick and practical overview of A* Pathfinding Algorithm in Java.

A quick and practical guide to filtering Streams of Optionals in Java 8 and Java 9

As Java developers, we often need to switch between different versions of the JDK for different projects. SDKMAN! makes this easy.

Explore different ways to override the system time for testing.

2 million virtual threads with Loom, reactive to coroutines, cloud-native Spring Boot, working effectively with databases and context matters!

How to remove all nulls from a List using plain Java, Guava, the Commons Collections framework or the new Java 8 lambda support.

How to use the Guava Splitter and Joiner to convert to and from collections and Strings.

Explore different ways to break from a loop in Java.

Explore the difference between skip() and limit() methods in the Java 8 Stream API.

Learn about Java static fields, static methods, static blocks and static inner classes.

When building RESTful APIs over HTTP the PUT method is typically used for updating, while POST is used for creating resources. However, create and update

Hello guys, generating PDF files in today’s enterprise applications is quite common. Doing this with Java is not an easy task as Java does not gives

This blog post is a follow up on the initial introductory post, Supersonic Subatomic GraphQL, and here we will explore more features, some that is

Spring Mock-MVC can be a great way to test Spring Boot REST APIs. Mock-MVC allows us to test Spring-MVC request handling without running a real server. I

Learn how to use JGraphT to create graphs and explore the variety of graph algorithms.

Learn several ways to print triangles in Java using for loops.