Reflection was essential to the advanced Java toolkit for years. Now it's being superseded by newer, safer options. Here's how to use MethodHandle and VarHandle to gain programmatic access to methods ...

Java has a powerful new concurrency model, and it works with both traditional and virtual threads. Here's a first look at structured concurrency. Structured concurrency is a new way to use ...

Some exceptions in Java must be handled in the developer's code. Other exceptions can occur without any exception handling semantics at all. When an exception must be handled with try-and-catch ...

Runtime errors occur when something goes wrong in the normal execution of a program. When severe enough, these errors abruptly terminate an application. To help programmers both anticipate and recover ...

Open-source Java library to generate and decode Swiss QR bills (jointly developed with the .NET version). Try it yourself and create a QR bill. The code for this demonstration (React UI and RESTful ...

These executables must all be on the current PATH. The V11.01 is the release number; this will get added to the splash screen. This command redirects all output to a file called log (which ends up ...