What is a functional method in Java?

The term Java functional interface was introduced in Java 8. A functional interface in Java is an interface that contains only a single abstract (unimplemented) method . A functional interface can contain default and static methods which do have an implementation, in addition to the single unimplemented method.

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What is a functional method in Java?

The term Java functional interface was introduced in Java 8. A functional interface in Java is an interface that contains only a single abstract (unimplemented) method . A functional interface can contain default and static methods which do have an implementation, in addition to the single unimplemented method.

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