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mapMystery2

Language/Type: Java Map Set collections

Consider the following method. For each map shown, indicate what values would be stored in the set returned if that map were passed. 

public static Set<String> mystery(Map<String, String> data) {
    Set<String> result = new TreeSet<String>();
    for (String s : data.keySet()) {
        result.add(data.get(s));
    }
    return result;
}
{baz=c, mumble=d, foo=a, bar=b}
{f=z, d=x, e=y, b=y, c=z, a=x}
{f=2, g=10, d=20, e=1, b=10, c=2, a=1, h=20}

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