50 First element 10 plus last element 40 equals 50.

ArrayList Methods

AP Computer Science A· difficulty 2/5

ArrayList<Integer> list = new ArrayList<>();
list.add(10);
list.add(20);
list.add(30);
list.add(40);
int sum = list.get(0) + list.get(list.size() - 1);
System.out.println(sum);

What is printed?

A
$60$
B
$30$
C
$50$
check_circle
D
$100$

Explanation

First element 10 plus last element 40 equals 50.

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