InfoWorld

When to use abstract classes vs. interfaces in Java

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs. Abstract classes and ...
TheServerSide

Create your first Java AWS Lambda function in minutes

If you’re a Java developer and you haven’t built an AWS Lambda function before, you’ll be amazed by how easy it is to get your first serverless application up and running. To build your first Java AWS ...
Ars Technica

Creating a shortcut to execute a .class file

Since I have done most of my coding for classes (and almost exclusively in Java), I have always just run my programs through the compiler and never had to worry about actually setting it up to run on ...
InfoWorld

Introduction to Java records: Simplified data-centric programming in Java

Creating simple data classes in Java traditionally required substantial boilerplate code. Consider how we would represent Java’s mascots, Duke and Juggy: public class JavaMascot { private final String ...
TheServerSide

How Java instance main methods and unnamed classes work

Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They provide a simple, clean and concise syntax to launch ...