Learn how to use synchronous and asynchronous callbacks in Java—including callbacks with lambda expressions, CompletableFuture, and more.

Method and variable handles vs. Java reflection To truly understand MethodHandles and VarHandles —what they do and why they are useful—it’s helpful to know a few things about reflection in Java.

In Java, printf is recommended as a replacement for calls to the print or println methods. How do you format output with Java printf? To format text based output with the Java printf method, follow ...

All you need to do is compile your Java code into a WASM binary file, and the browser takes care of the rest. Java, WebAssembly and the browser In this tutorial, I will show you how to write logic in ...

We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more.