Can we create anonymous class in Java?

The anonymous class expression consists of the following:

It is an inner class without a name and for which only a single object is created . An anonymous inner class can be useful when making an instance of an object with certain “extras” such as overriding methods of a class or interface, without having to actually subclass a class.15 Ara 2021

Which constructs an anonymous inner class instance? Runnable r = new Runnable() { };

In Java, a class can contain another class known as nested class. It’s possible to create a nested class without giving any name. A nested class that doesn’t have any name is known as an anonymous class . Anonymous classes usually extend subclasses or implement interfaces.