EXPLAIN these terms for viva

1. In Spring, For drop-down what should be used dynamically 2. Difference between @model attribute in method and parameter level 3. How to access data in collection 4.What is @persistence context 5. What is Forward () and include() method 6. What is Default method 7. What is Try with resources & How Validation used for phone number

8. Static and dynamic binding 9. Entity life cycle(explain in such way that i can explain in viva) 10. Diff b/w merge() and persist 11. What is@transactional 12. What is Validation used for date