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mystery9

Language/Type: Java recursion recursive tracing
Author: Whitaker Brand

For each call to the following method, indicate what console output is produced:

public void mystery9(int x) {
    if (x < 10) {
        System.out.print(x);
    } else {
        int y = x % 10;
        System.out.print(y);
        mystery9(x / 10);
        System.out.print(y);
    }
}
mystery9(7);
mystery9(38);
mystery9(194);
mystery9(782);
mystery9(3842);

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