ITSC1213 Test 1 Review

What would this code output?

• M&M

• Trinket

• 004

• 005

• ERROR

What would this code output?

• Hershey

• Game

• 107

• 111

What would this code output?

• ERROR

• Comic

• Game

• 105

What are the correct ways to make an ArrayList of Integers?

• ArrayList<int> list = new ArrayList<>();

• ArrayList<Integer> list;

• ArrayList<Integer> list = new ArrayList<>();

• ArrayList<Integer> list = new ArrayList<Integer>();

Create an ArrayList of Strings

• new

• ArrayList<>();

• myList

• ArrayList<String>

• =

What are the proper ways to make a double array?

• double[] array;

• double array[];

• double array[] = {...};

• double array[5];

• double array[] = new double[5];

Set the value for the 1st row and 3rd column of a 2D array called nums to 6:

(a)   (b)   (c)   (d)   ​ ​ (e)  

• nums
• [0]
• [2]
• =
• 6
• num[]
• [1]
• [3]
• nums[][]

ArrayLists are​ (a)   while arrays are not.

• expandable
• better
• memory-efficient

The __ method returns the size of an ArrayList.

What will this code output?

• {9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1 ,-2, -3, -4, -5, -6, -7, -8, -9}

• {9, 8, 7, 6, 5, 4, 3, 2, 1}

• {}

• {-9, -8, -7, -6, -5, -4, -3, -2, -1}