Functional Interfaces in Java | Lambda Expressions in Java | Dilip Singh

The major benefit of Java 8 functional interfaces is that we can use lambda expressions to instantiate them and avoid using bulky anonymous class implementation. Java 8 Collections API has been rewritten and a new Stream API has been introduced that uses a lot of functional interfaces. Java 8 has defined a lot of functional interfaces in java.util.function package.

I have explained the internal details of the below points in this session.

1. What is a Functional Interface
2. Importance and Implementation of Functional Interface
3. What is Lambda Expression
4. Relation Between Functional Interfaces and Lambda Expressions
5. What is Functional Programming

I will make sessions, covering every other Java 8 feature, with more use cases and implicit details concerning the usage of application development and interview perspective. As part of making sessions of Java 8 features, now covered Functional Interfaces & Lambda Expressions.


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