What is the difference between interface and functional interface?



What is the difference between interface and functional interface?..

Answer / Akshit Shakolay

An interface in C# defines a contract for a set of methods, properties, and events that a class must implement. It cannot be instantiated on its own. A functional interface, on the other hand, is an interface with only one abstract method. In Java 8 and later versions, Functional Interfaces are used to represent lambda expressions.

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