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| Core Java - Interview Questions and Answers for 'Functional interface' - 2 question(s) found - Order By Newest | |||||
 Not frequently asked as it was introduced with Java 8. | |||||
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| Ans. This is an informative annotation that specify that the interface is a functional interface. A Function Interface has only one abstract method and many default methods. Compiler generates an error if the interface specified with the annotation doesn't abide by the specifications for functional interface. | |||||
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 Discuss Correct / Improve  java java8 java 8 functional interface default methods | |||||
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 How do you define a functional interface? | |||||
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| Ans. Create interface with the only one non-overriding abstract method and annotate it with @FunctionalInterface | |||||
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Discuss Correct / Improve functional interface java 8  Asked in 1 Companies | |||||
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| What is the @FunctionalInterface annotation ? | |||||
