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BJP4 Self-Check 5.4: whileLoopMystery2

Language/Type: Java mystery while loops
Author: Leslie Ferguson (on 2016/09/08)

Given the following method: 

public static void mystery(int x) {
    int y = 0;
    while (x % 2 == 0) {
        y++;
        x = x / 2;
    }
    System.out.println(x + " " + y);
}

Write the output of each of the following calls.

mystery(19);
mystery(42);
mystery(48);
mystery(40);
mystery(64);

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