I was contacted by HR and set up a first-round interview. The first round was scheduled for about 30 minutes. The position was for a software developer with experience in Java and Spring Boot. After the interview, I tried to follow up with HR for feedback, but received no response.

1. Features of Java 8

2. Functional interfaces vs. interfaces in Java

3. Can functional interfaces override the equals function or any functions in the Object class?

4. Predicate vs. Function in functional interfaces

5. ArrayList vs. LinkedList

6. Spring vs. Spring Boot

7. Lambda expressions

8. HashMap internal working

9. Improvements to HashMap in Java 8

10. CORS

11. Can you disable a single bean in a configuration when using @Autoconfiguration?