AP CS ArrayLists

How do I find the number of items in an array named colors?

How do I find the number of items in an ArrayList named schools?

How do I create an ArrayList of integers?

ArrayList​​​ <Interger> num = ​ (a)   ArrayList<Integer>();

• new
• Integer
• int
• String

What will the following code print?

• "Richland"

• "Bombers"

• There will be a compiler error

• None of the above

What will the following code print out?

• 12

• 0

• 14

• 9

What will print out with the following code?

• cuddler

• a

• dog

• my

What can I write in the /* Missing Code */ so that the following statement works as intended?

ArrayList<String> newList = /* Missing Code */

• I only

• III Only

• I and III

• II and III

Which of the following would be the value of nums after the code has been executed?

• [20, 40, 90, 50]

• [10, 20, 30, 40, 50]

• [20, 30, 90, 50]

• [20, 40, 50, 90]

Consider the search method pictured.

If an ArrayList nums was initialized with values [4, 5, 1, 3, 4, 7]. What value would be returned from the call search(nums,4)?

• -1

• 2

• 4

• 3

Which sort is the best to use for each task?

• Changing an alphabetical list to reverse alphabetical

• Selection Sort

• My favorite artists are listed in order. I want to add a new favorite artist in 3rd place

• Linear/Sequential Search

• I have an Array of 5 elements I need to search

• Insertion Sort