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while loop mystery

Language/Type: Java method basics mystery while loops
Author: Roy McElmurry (on 2010/12/28)

Consider the following method.

public static void mystery(int n) {
    int x = 1;
    int y = 1;
    while (n > 2) {
        x = x + y;
        y = x - y;
        n--;
    }
    System.out.println(x);
}

For each call below, indicate what output is produced.

mystery(1);
mystery(3);
mystery(5);
mystery(7);

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