A quick and practical guide to reading zip files in Java.

New Features in Java 20 bring exciting updates, including enhanced Pattern Matching, Record Patterns, and improved Vector API.

Azure Spring, Spring Rest Client, Micronaut 4, Reactive database connectivity, virtual threads, and Gen-AI.

Learn several options for receiving notifications on the completion of a task depending on how you're running it.

A quick and practical comparison between Map.clear() and creating a new Map.

Learn how to determine the maximum depth of the Java call stack.

Explore CompletableFuture.allOf() method and the differences between it and calling join() on multiple separate CompletableFuture instances.

Interested to learn more about Hadoop? Then check out our detailed Cheatsheet on Getting Started with Apache Hadoop!

In this blog post, we will step through building an application in Java that highlights the capabilities and powers of what a graph database can help developers achieve.

Learn about the Java “java.net.SocketException: "Broken pipe” error, understand the leading cause of the exception, and see how to fix it.

A quick and practical guide to escaping HTML symbols in Java.

Java requires all code to be in classes. Sometimes we may need to create an object with no state in order to help achieve a design pattern. We look at stateless objects and how they function.

Explore common causes like incorrect library names, missing directory specifications, and incompatible architectures. Implement solutions such as setting java.library.path and using proper classloaders to resolve this error effectively.

Learn the remove() then put() approach to replacing a key in a Java HashMap.

Explore different string concatenation methods in Java and evaluate their performance using JMH.

Learn how to get the start and end dates of a year using the modern Date Time API and the old Calendar and Date classes.

The Java Garbage Collector plays a part in managing the memory of the metaspace, where information about classes is stored. We look at tuning parameters to help the JVM manage our application.

Soft delete in JPA, Kotlin 1.9, platform teams, sliced onion architecture, and stream processing!

Discover the difference between Future, CompletableFuture, and Rxjava’s Observable.

Testcontainers, VisualVM profiling, project Leyden, virtual threads, magnificent S3, and GenAI!