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whileLoopMystery2

Language/Type: Java mystery while loops
Author: Leslie Ferguson (on 2020/04/08)

Given the following method: 

public static int mystery2(int x) {
    int a = 1;
    int c = 0;
    while (x > 0) {
        a = x % 2;
        if (a == 1) {
            c++;
        }
        x = x / 2;
    }
    return c;
}

Write the output of each of the following calls.

mystery(2);
mystery(-1);
mystery(7);
mystery(18);
mystery(43);

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