Java Core

Wordish with JavaFX – Part 1

Learn about the main UI layout of a cool JavaFX game using Scene Builder, TilePane, FlowPane, controller code, iOS and Android settings!

Diving into JVM Framework Monitoring and Profiling

Let’s look at how frameworks work under the hood, namely Quarkus and Spring Boot, and how many threads they initiate to serve up results.

Thinking About Massive Throughput? Meet Virtual Threads!

Virtual threads not only help to increase application throughput by running a much bigger number of concurrent tasks together, they also provide a framework to refactor already existing code.

Top 10 Java Language Features

Let’s explore ten Java programming features used frequently by developers in their day-to-day programming jobs.

How to Create APIs with the Java 18 jwebserver Ready for Docker 

When simple web content or responses are required, Java 18 reduces the need to search for more complicated solutions like Jetty and Netty.

Quest to the OS: Java Native Memory

Let’s embark on an epic journey to the wonderland of java native memory to the level of OS while investing in a non-trivial memory issue.

Examining the Switch Statement and the Factory Pattern in Three JVM Languages

Let’s examine a program selection control mechanism, for a value, expression or variable type to influence program flow execution, for Switch.

Handling Null: Optional and Nullable Types

Java is infamous for its NullPointerException: calling a method or accessing an attribute of an object that has not been initialized.

Observability for JVM Frameworks with Grafana in Java and Kotlin

Learn about observability configurations and libraries required over a range of frameworks using two JVM languages, namely Java and Kotlin. 

Debugging Java Equals & Hashcode Performance in Production

Hashcode and equals are at the crux of many hard to nail down Java performance issues. Here’s how to track these in production!

5 Things You Probably Didn’t Know About Java Concurrency

Even while threads are helpful, they are dreadful to many developers. Here are five essential threading concepts for Java developers!

All about Generics: Part 1

Generics are used to parameterize types. A piece of code can be written generically enough so that we can fit a variety of types in it.  Being a strongly type-safe language, Java requires to specify types in all aspects of …

Java Bytecode Simplified: Journey to the Wonderland (Part 1)

Today I will make an attempt to appreciate how unique the JVM is. So, let’s begin the journey to how Java works!

Java Thread Programming (Part 14)

What if we get a recursive situation when child tasks create more tasks and the parents wait for child tasks to finish?

Project Panama for Newbies (Part 4)

imagine C code capable of performing a computation and after its completion the C code will notify Java code to perform updates to JavaFX UI components.

System Logger

Almost all Java developers are familiar with logging frameworks like Log4j and the facade SLF4J, but not the System.Logger that has been available since java 9. Let’s learn about the standard.

Java Thread Programming (Part 13)

What is the maximum number of worker threads we can put in a ThreadPool? Let’s find out today on Foojay’s amazing Java threading series!

Java Thread Programming (Part 12)

Let’s find out what are the ways to create ThreadPool using the Executor framework in java and use result-bearing tasks using Callable and Future

Compact Strings: Reclaim 25% of Java Heap Memory & Lower Your Cloud Bills

Did you know that you can save up to 25% of your heap memory and your Cloud bills without any effort? Well, it’s true.

Many exciting features have been added to the latest releases of Java recently and I’m going to cover one that is often overlooked in this article.