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Language/Type: Java recursion recursive tracing
Author: Marty Stepp (on 2011/02/16)

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

public static void mystery(int n) {
    if (n <= 1) {
        System.out.print(": ");
    } else {
        System.out.print((n % 2) + " ");
        mystery(n / 2);
        System.out.print(n + " ");

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