Why Functional Interfaces Have Only One Method - JAVA

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In this video, we delve into the concept of Functional Interfaces in Java and explore why they are designed to have only one abstract method. Functional interfaces are a key feature introduced in Java 8, enabling the use of lambda expressions and method references to create more readable and concise code. We will discuss the significance of the @FunctionalInterface annotation, the role of Single Abstract Method (SAM) interfaces, and how they contribute to functional programming in Java. Whether you’re a beginner or an experienced developer, this video will provide valuable insights into the design and usage of functional interfaces.

Keywords
Functional Interfaces
Java 8
Lambda Expressions
Single Abstract Method (SAM)
@FunctionalInterface Annotation
Method References
Java Programming
Functional Programming
Java Interfaces
Code Readability