
AP Computer Science A U7L1ES

Passage
•
Computers
•
10th Grade
•
Hard
Wayground Content
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the text, how do ArrayLists compare to Arrays?
They are completely different with no similarities.
They are exactly the same with no differences.
They may sound similar but have pros and cons.
They are unrelated topics not covered in the same unit.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can an ArrayList hold according to the learning objectives?
Only primitive data types
Multiple data types including primitives and class types
Only class type data and not primitives
Only single instances of data at a time
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is another learning objective related to ArrayLists?
Learn how to sort data within an ArrayList
Understand the limitations of ArrayLists in multithreading
Learn some of the methods which can be called by objects of the ArrayList class
Write code that removes all data from an ArrayList
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT an example of a class data type that can be held in an ArrayList?
Strings
Circles
Integers
Other classes we have created
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of an ArrayList over an Array in Java?
ArrayLists have a fixed size.
ArrayLists can only store objects of the same type.
ArrayLists allow for the dynamic resizing and easy manipulation of elements.
ArrayLists are more memory efficient than Arrays.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean when we say that an ArrayList is mutable?
It cannot be changed once created.
It can only be accessed by methods within its class.
It can be changed, such as adding or removing elements.
It is immutable and cannot be resized.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following code snippets correctly adds three items to an ArrayList named 'list' in Java?
list.add("Item1"); list.add("Item2"); list.add("Item3");
list.append("Item1"); list.append("Item2"); list.append("Item3");
list.insert("Item1"); list.insert("Item2"); list.insert("Item3");
list.put("Item1"); list.put("Item2"); list.put("Item3");
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