A quick look at how to set the JAVA_HOME variable on Windows, Mac OS X, and Linux.

A quick and practical example of using serialVersionUID in Java.

Learn about the System.gc() method understand if there are any use cases when calling this method might be useful

A quick and very practical intro to the new Java measurement APIs.

Learn about the bitwise operators in Java and how each of them work

Learn how to find the Smallest Missing Integer in an Array.

Learn how to join an array of primitives with a separator character or string in Java.

WebSockets allow continuous communication between a client app and its server. This can be built with reactive streams in Akka and the Play Framework.

Learn the essentials of building and using modules in Java 9. Start down the path of modularizing your code today.

Learn how to retrieve a key from a Java Map given the value

The one with performance: HotSpot JVM intrinsics, AppCDS with jLink, gRPC meets Kotlin, Maven's speed daemon, JDBC's statement caching, and Apple's M1!

Explore all the variants of creating a LocalDate with values in Java.

Learn design strategies for decoupling Java modules.

Learn how to improve your functional programming with chains of single parameter function calls. Currying turns multiple parameters into a fluent style.

Learn how to convert between String and Timestamp with a little help from LocalDateTime and Java 8.

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

Learn three simple ways to iterate over a Java enum.

A deep dive into the Resilience4j circuit breaker module. This article shows why, when and how to use it to build resilient applications.