I am appeared for the interview and I came up with below questions, I have drafted the advance questions asked on Java 8 features for Senior Developer - 1. What New Features Were Added in Java 8? 2. How Streams differ from collections? 3. What is the use of Functional Interface in Java 8? When to use Functional Interface in Java 8? 4. What is the need of static method in Interface ? 5. What is the need of having a default method in an interface ? 6. What is Lambda Expression in Java 8? 7. What is Method Reference in Java 8? 8. What are different types of Method References in Java 8? 9. Why to use Optional in Java 8? 10. What is Optional in Java 8? and may more questions ........11 ...12..13....20 Please follow below link to find the answers of these questions : Top 20 interview questions on Java 8 feature - https://onlyfullstack.blogspot.com/2019/07/java-8-feature-interview-questions.html Please follow below url to find Java 8 Lambda questions - https://onlyfullstack.blogspot.com/2019/08/java-8-lambda-expression-interview.html Please follow below url to find Java 8 programming questions : Top 10 programming questions asked on Java 8 features - https://onlyfullstack.blogspot.com/2019/07/java-8-programming-interview-questions.html