Question 1

What data structure might you use to store a the name of Supreme Court Justices? The name of the justices can change, but there will always be 9 justices at a time. Pick the best choice.

Question 1 options:

	ArrayList
	2D Array
	Binary Search Tree
	array

Question 2

How do you create an array of 10 Strings?

Question 2 options:

	String[] myarray = new String[11];
	String[] myarray = new String[10];
	String myarray = new String[10];
	String myarray = new String[11];

Question 3

Given the following array declaration:

int[] myarray = new int[variable];

How do you determine how many elements are in myarray?

Question 3 options:

	myarray.length
	myarray.size
	myarray.size()
	myarray.length()

Question 4

The number of elements in an array can change.

Question 4 options:

	True
	False

Question 5

What is the output of this code?

int[] myarray = {0,10,20,30,40,50}; for(int i = 0; i < myarray.length; i = i + 2){ System.out.print(" " + myarray[i]) }

Question 5 options:

	0 1 2 3 4 5
	0 2 4
	0 10 20 30 40 50
	0 20 40

Question 6

Which of the following is true of both arrays and ArrayLists?

Question 6 options:

	Both arrays and ArrayLists are objects.
	Neither arrays nor ArrayLists are object.
	Arrays are objects, but ArrayLists are not.
	ArrayLists are objects, but arrays are not.

Question 7

The elements in an ArrayList are mutable.

Question 7 options:

	True
	False

Question 8

How do you create an ArrayList of ints?

Question 8 options:

	ArrayList list = new ArrayList;
	None of the above, you can not make an ArrayList of ints.
	List list = new List();
	int[] list = new int[];
	ArrayList list = new ArrayList();

Question 9

If implementing the List interface, which of the following must you implement?

Question 9 options:

	get
	only get and contains
	only contains and add
	contains, add, and get
	contains
	add

Question 10

ArrayList implements the List interface.

Question 10 options:

	True
	False