
Sealed classes provide restriction over the subclasses, meaning what the classes that can extend a parent-sealed class are. Hidden classes will have a very short lifecycle.Ģ) Sealed Classes: The sealed classes are introduced to provide more fine-grained control for Java’s inheritance. There are several features introduced, and some of them are shown below.ġ) Hidden Classes: This feature allows us to create hidden classes that are not discoverable and are generated dynamically at runtime. The latest and the most recent version of java is Java15, which was released and was in general availability from 15th September 2020. Also will look at the system requirements for installing the JDK15 and the JRE comes with it. We will look into the new features introduced in this version.

In this article, we will discuss how to download and install the latest version of Java Runtime Environment and JDK on Mac OS, which is JDK15.
