Developing Algorithms Using Arrays

AP Computer Science A· difficulty 2/5

int[] a = {5, 10, 15, 20};
int sum = 0;
for (int i = 1; i < a.length; i++) {
  sum += a[i];
}
System.out.println(sum);

What is printed?

  • A

    45

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  • B

    50

  • C

    30

  • D

    40

Explanation

Starting at i=1 skips a[0]=5. Sum is 10+15+20 = 45.

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