Lambda expression | Functional interface | Interview questions on java 8 features | HINDI

This video help to answer java 8 interview questions and answers about lambda expression and functional interface.

? Java 8 Interview Questions and Answers - playlist : https://www.youtube.com/playlist?list=PLazHzwqEoJ2hiagxXahjzHbCU38gGZkiB

Top 20 question of java 8 will help to crack interview.

What are the key features introduced in Java 8?
Explain the concept of lambda expressions in Java 8 and provide an example.
What is a functional interface, and what is its significance in Java 8?
How do you represent optional values in Java 8? Explain the purpose of the Optional class.
What is the Stream API in Java 8, and how does it differ from collections?
How do you handle concurrent programming in Java 8? Explain the enhancements in the concurrent API.
What are the default methods in interfaces, and why were they introduced in Java 8?
Explain the new Date and Time API (java.time) introduced in Java 8.
What are method references in Java 8? Provide examples.
How does Java 8 support parallel processing? Explain the parallelStream() method.
What is the difference between Predicate and Function interfaces in Java 8?
How do you handle exceptions in lambda expressions in Java 8?
Explain the concept of Type Inference in Java 8 and how it simplifies code.
What are the benefits of using the Supplier interface in Java 8?
How do you use the Collectors class in Java 8? Provide examples.
Explain the difference between forEach() and map() methods in Java 8 Stream API.
What is the purpose of the CompletableFuture class in Java 8?
How do you create and use a custom functional interface in Java 8?
What is the significance of the @FunctionalInterface annotation in Java 8?
Explain the new Nashorn JavaScript engine in Java 8 and its use cases.

Thank you!