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AP Computer Science A· difficulty 2/5

int[] a = {1, 2, 3, 4};
int target = 99;
int idx = -1;
for (int i = 0; i < a.length; i++) {
  if (a[i] == target) {
    idx = i;
  }
}
System.out.println(idx);

What is printed?

A
$-1$
check_circle
B
$4$
C
$0$
D
$ArrayIndexOutOfBoundsException$

Explanation

99 is not in the array, so idx remains its initial value of -1. The convention -1 indicates "not found".

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