Visibility. Class loaders in Java can have varying levels of visibility, which determines their ability to find and load classes from other class loaders. There are three levels of visibility: ...

Atomic classes are a part of the java.util.concurrent.atomic package, which was introduced in Java 5 to support low-level concurrency and synchronization.

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 ...

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.

Affects: Spring 5.1.7.RELEASE Java version affected: 11. I have a class that implements an interface, I have an aspect that targets a method implemented by my class with an Around advice (targeting an ...