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.

Learn how to use statements like if, if-else, switch, for, and while to declare variables and specify expressions, make decisions, iterate over statements, and more.

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

How does the single responsibility model work in a Java program? Here we show you what this SOLID principle means, and how to implement the single responsibility model in Java.

Java program. Calling Methods. A sample of how to call methods in the same class. For loop. A simple example of using for loops to calculate factorial. Uses the built in int data type so only good to ...

A newly discovered zero-day vulnerability in the widely used Java logging library Apache Log4j is easy to exploit and enables attackers to gain full control of affected servers.