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Functional Interfaces in Java | The Complete Guide to Java Functional Interfaces with Examples

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Functional Interfaces in Java | The Complete Guide to Java Functional Interfaces with Examples

In this crash course, you will learn what is a functional interface and how to use Lambda expressions to implement functional interfaces. An Interface that contains exactly one abstract method is known as a functional interface. It can have any number of default, static methods but can contain only one abstract method. It can also declare the ...

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