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.

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may ...

To demonstrate how a Java 17 record can help you create cleaner and simpler code, let's first start off with a standard, simple Java class that can identify a person's location, find a center-point ...