[11, 21, 31] Each element is replaced by itself plus 1: 11, 21, 31.

Traversing ArrayLists

AP Computer Science A· difficulty 2/5

ArrayList<Integer> list = new ArrayList<>();
list.add(10);
list.add(20);
list.add(30);
for (int i = 0; i < list.size(); i++) {
    list.set(i, list.get(i) + 1);
}
System.out.println(list);

What is printed?

A
$[11, 22, 33]$
B
$[1, 2, 3]$
C
$[11, 21, 31]$
check_circle
D
$[10, 20, 30]$

Explanation

Each element is replaced by itself plus 1: 11, 21, 31.

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