Learn how to use the Command pattern to encapsulate requests as objects that you can execute alone or in sequence in your Java programs.

Since my trusty C++ compiler produced fast math code, I just needed to call these math routines instead of the slow StrictMath routines from my Java program. Java Native Interface (JNI) enables ...

In fact, you don’t even have to code your Java into a file. JShell can execute lines of Java code directly on the command line. Java without a main method Historically, Java devs have had to code a ...

One simple command can address this question in both Java and Bedrock Edition, and can also operate on multiplayer worlds and on larger-scale servers and realms.

Writing code to parse command line arguments is still necessary sometimes. When you need to examine command line arguments, see how and why you should use your open source Java toolkit and use ...

What is a 'lambda function' and more importantly, where did the term 'lambda expression' come from? Here we look at the basics of lambda functions in Java and computer science.