ASAP please!

1.0 Data Structure Selection: You have a great idea to kickstart your instagram influencer career. You want to keep track of the different cities you have visited and your favorite things to do in each city. Which is the best data structure for this task? Fill in the blank with a capital letter Possible answers: (A) Set (B) Map (C) Queue (D) Stack (E) Array (F) List 2. Data Structure Selection: Your influencer career is going better than expected. You are getting so many requests for sponsorships and advertisements to run. You want to be fair and respond to them in the order in which you received them. Which is the best data structure to keep track of these different requests? Fill in the blank with a capital letter Possible answers: (A) Set (B) Map (C) Queue (D) Stack (E) Array (F) List 3. Give two examples of declaring two different primitive types in Java. 4. ...Give two examples of Object/Reference types. You can just list names, you don't have to declare them. 5. Java? In Python, indentation decides how code is grouped together. How is that done in 6. Briefly give one benefit of iterative development. 7. Briefly (1-2 sentences) explain what test-driven development is