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• 00:24, 4 July 2025 Iwiseman talk contribs created page Java Functional Interface (Created page with "=Functional Interface= A functional interface is an interface that contains only one abstract method. They can have only one functionality to exhibit. =Java Example= Before Java 8, we had to create anonymous inner class objects or implement these interfaces. <syntaxhighlight lang="java"> // Java program to demonstrate functional interface class Test { public static void main(String args[]) { // create anonymous inner class object new Thread(ne...")