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BJP4 Self-Check 7.24: arrayMystery1

Language/Type: Java array mystery arrays
Author: Marty Stepp (on 2016/09/08)

Consider the following method, mystery.

public static void mystery(int[] a, int[] b) {
    for (int i = 0; i < a.length; i++) {
        a[i] += b[b.length - 1 - i];

What are the values of the elements in array a1 after the following code executes?

int[] a1 = {1, 3, 5, 7, 9};
int[] a2 = {1, 4, 9, 16, 25};
mystery(a1, a2);            

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