Java records are a new language feature that reduces verbosity and enables optimized runtime performance. This Java records tutorial shows how they work.

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.

Java is an object-oriented language, and Java constructors are how you create objects. Learn about object creation in this full Java constructor tutorial.

Let me show you how. First, we’re going to install Java 17 and Java 18, so you can see how the switching is done. To install Java 17, open a terminal window and issue this command: ...