Phone Screening (contd...) 4. When will you use an ArrayList vs a Linked List? 5. Given an Array, ArrayList - how would you add elements and set elements 6. What is a Map? What is a Set? Different types of Set 7. Given a list of employees, how will you find out employees with age greater than 50 years 8. If the list of employees, is a huge list, how will you find out employees greater than age 50