Benefits of unnamed classes and instance main methods Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They ...

Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

Learn seven advanced techniques for working with fields and methods in Java, including recursion, method call chaining, pass-by-value arguments, and rules for calling methods ...

This post explains how to call a method in Java. Learn how to define methods, call them from other classes, and pass arguments!

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

The interface in Java refers to an abstract “class” that is used to group related methods with “empty” bodies.

Why, of course, by virtually starting up the Java class and pushing the buttons, so to speak. You test a Java class by calling methods on it from another Java class. The following Java source file is ...