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

We’ll also take a look at java.lang.Enum<E extends Enum<E>>, which is the base class for all typesafe enums. What you’ll learn in this Java tutorial. Why use typesafe enums and not enumerated ...

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.

Java has a "Random" class that lets you generate a random number you use to implement calculations in your Java source code. You use this library to generate a random number and insert the number ...

Each version will be associated with a number, starting with 0. If you want to switch to Java 18, locate and type the associated number for Java 18 and hit Enter on your keyboard. The system will ...

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...

Java programs will run without a main method. Semicolons can be optional. Hundreds of extra classes are imported automatically. Exception handling is optional. No need for javac. With typical, ...