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Language/Type: Java arrays array mystery
Author: Marty Stepp

Consider the following method:

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

Indicate in the right-hand column what values would be stored in the array after the method arrayMystery executes if each array below is passed as a parameter to it.

String[] a1 = {"a", "b", "c"}; arrayMystery(a1);
String[] a2 = {"a", "bb", "c", "dd"}; arrayMystery(a2);
String[] a3 = {"z", "y", "142", "w", "xx"}; arrayMystery(a3);

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