Chetan Dattachetan77.hashnode.dev·May 23, 202412 Java - Interfaces (Functional & Lambda)What is Functional Interface? If an interface contains only 1 abstract method, that is known as Functional Interface. Alos known as SAM interface (Single Abstract Method). @ FunctionalInterface keyword can be used at top of the interface(But its o...73 readsJavafunctional interfaces