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How are anonymous (inner) classes used in Java?
An inner class declared without a class name is known as an anonymous inner class.
- we declare and instantiate them at the same time.
- In general, they are used whenever you need to override the method of a class or an interface.
Syntax
AnonymousInner an_inner = new AnonymousInner() { public void my_method() { ........ ........ } };
Example
abstract class AnonymousInner { public abstract void mymethod(); } public class Outer_class { public static void main(String args[]) { AnonymousInner inner = new AnonymousInner() { public void mymethod() { System.out.println("This is an example of anonymous inner class"); } }; inner.mymethod(); } }
Output
This is an example of anonymous inner class
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