AP Computer Science Aeasymcq1 pt
ArrayList uses the wrapper class Integer because
A.collections store objects, not primitives
B.Integer is faster than int
C.int is deprecated
D.Integer takes no memory
Explanation
Core Concept
Generic types require reference types.
Correct Answer
Acollections store objects, not primitives
More Unit 7: ArrayList practice questions
- hardWhich code reverses an ArrayList<Integer> list in place?
- hardTo remove every negative value from an Integer list, use
- mediumAn ArrayList is backed internally by
- mediumAn ArrayList is preferable to an array when
- mediumWhich expression finds the last element of a nonempty Integer list?
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