APCS Lesson 7.0-7.2 Review

What will print when the following code executes?

• [1, 2, 3, 4, 5]

• [1, 4, 2, 3, 5]

• [1, 2, 4, 3, 5]

• [1, 2, 4, 5]

What will print when the following code executes?

• ["Anaya", "Sarah", "Layla", "Sharrie"]

• ["Anaya", "Layla", "Sharrie", "Sarah"]

• ["Sarah", "Anaya", "Layla", "Sharrie"]

• ["Anaya", "Layla", "Sarah", "Sharrie"]

What will print when the following code executes?

• [2, 3]

• [1, 2, 3]

• [1, 2]

• [1, 3]

What will print when the following code executes?

• [2, 3]

• [1, 2, 3]

• [1, 2]

• [1, 3]

What will print when the following code executes?

• [1, 2, 3, 4, 5]

• [1, 2, 4, 5, 6]

• [1, 5, 2, 4, 6]

• [1, 2, 5, 4, 6]

What will print when the following code executes?

• ["Sarah", "Destini", "Layla", "Sharrie"]

• ["Sarah", "Destini", "Anaya", "Layla", "Sharrie"]

• ["Anaya", "Sarah", "Sharrie"]

• ["Anaya", "Sarah", "Destini", "Sharrie"]

What will print when the following code executes?

• [1, 2, 3, 4, 5]

• [1, 2, 4, 5, 6]

• [1, 2, 5, 4, 6]

• [1, 5, 2, 4, 6]

Which index is the last element in a list called nums at?

• nums.length

• nums.length - 1

• nums.size()

• nums.size() - 1

Which of the following is a reason to use an array instead of an ArrayList?

• An array has faster access to its elements than a list does.

• An array knows it length, but a list doesn't know its length.

• An ArrayList can allocate more space than it needs.

Which of the following is a reason to use an ArrayList instead of an array?

• An ArrayList can grow or shrink as needed, while an array is always the same size.

• You can use a for-each loop on an ArrayList, but not in an array.

• You can store objects in an ArrayList, but not in an array.