1 What are Atomic classes? 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.

We then use the application class loader to load the java.util.ArrayList class. If the class is found and loaded successfully, we print its name to the console.

java.lang.ref: A collection of reference-related language classes, such as SoftReference and ReferenceQueue, organized in the ref sub-subpackage of the java package’s lang subpackage ...

Java currently supports only primitive types and object references. Project Valhalla extends this by introducing inline classes which are new types that exhibit some behaviors of both types of value.

The java.util.function.Consumer class has one non-default method named accept which takes a single object as its argument and has a void return type. java.util.function.Consumer<T> Consumer function ...